Search a number
-
+
1051001125 = 538408009
BaseRepresentation
bin111110101001010…
…000000100100101
32201020122101111121
4332221100010211
54123024014000
6252142333541
735021235136
oct7651200445
92636571447
101051001125
1149a298779
12253b8a2b1
13139986175
149d825c8d
1562407b1a
hex3ea50125

1051001125 has 8 divisors (see below), whose sum is σ = 1311649560. Its totient is φ = 840800800.

The previous prime is 1051001113. The next prime is 1051001167. The reversal of 1051001125 is 5211001501.

It can be written as a sum of positive squares in 4 ways, for example, as 8421604 + 1042579521 = 2902^2 + 32289^2 .

It is not a de Polignac number, because 1051001125 - 27 = 1051000997 is a prime.

It is a super-2 number, since 2×10510011252 = 2209206729502531250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051001099 and 1051001108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4203880 + ... + 4204129.

It is an arithmetic number, because the mean of its divisors is an integer number (163956195).

Almost surely, 21051001125 is an apocalyptic number.

It is an amenable number.

1051001125 is a deficient number, since it is larger than the sum of its proper divisors (260648435).

1051001125 is an frugal number, since it uses more digits than its factorization.

1051001125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8408024 (or 8408014 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 16.

The square root of 1051001125 is about 32419.1475057565. The cubic root of 1051001125 is about 1016.7192827139.

Adding to 1051001125 its reverse (5211001501), we get a palindrome (6262002626).

The spelling of 1051001125 in words is "one billion, fifty-one million, one thousand, one hundred twenty-five".

Divisors: 1 5 25 125 8408009 42040045 210200225 1051001125