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1130405125 = 539043241
BaseRepresentation
bin100001101100000…
…1001110100000101
32220210001112022111
41003120021310011
54303340431000
6304100301021
740004166523
oct10330116405
92823045274
101130405125
115300a2113
122766a1771
13150268195
14aa1b5313
156938ecba
hex43609d05

1130405125 has 8 divisors (see below), whose sum is σ = 1410745752. Its totient is φ = 904324000.

The previous prime is 1130405119. The next prime is 1130405149. The reversal of 1130405125 is 5215040311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 116683204 + 1013721921 = 10802^2 + 31839^2 .

It is not a de Polignac number, because 1130405125 - 223 = 1122016517 is a prime.

It is a super-3 number, since 3×11304051253 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130405096 and 1130405105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4521496 + ... + 4521745.

It is an arithmetic number, because the mean of its divisors is an integer number (176343219).

Almost surely, 21130405125 is an apocalyptic number.

It is an amenable number.

1130405125 is a deficient number, since it is larger than the sum of its proper divisors (280340627).

1130405125 is an frugal number, since it uses more digits than its factorization.

1130405125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9043256 (or 9043246 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1130405125 is about 33621.4979588953. The cubic root of 1130405125 is about 1041.7048974413.

Adding to 1130405125 its reverse (5215040311), we get a palindrome (6345445436).

The spelling of 1130405125 in words is "one billion, one hundred thirty million, four hundred five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 9043241 45216205 226081025 1130405125