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1241145 = 32527581
BaseRepresentation
bin100101111000000111001
32100001112100
410233000321
5304204040
642334013
713356333
oct4570071
92301470
101241145
11778544
124ba309
13345c09
14244453
15197b30
hex12f039

1241145 has 12 divisors (see below), whose sum is σ = 2151396. Its totient is φ = 661920.

The previous prime is 1241087. The next prime is 1241159. The reversal of 1241145 is 5411421.

It can be written as a sum of positive squares in 2 ways, for example, as 962361 + 278784 = 981^2 + 528^2 .

It is not a de Polignac number, because 1241145 - 26 = 1241081 is a prime.

It is a super-2 number, since 2×12411452 = 3080881822050, which contains 22 as substring.

1241145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13746 + ... + 13835.

It is an arithmetic number, because the mean of its divisors is an integer number (179283).

21241145 is an apocalyptic number.

1241145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1241145 is a deficient number, since it is larger than the sum of its proper divisors (910251).

1241145 is a wasteful number, since it uses less digits than its factorization.

1241145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27592 (or 27589 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 1241145 is about 1114.0668741148. The cubic root of 1241145 is about 107.4667645590.

Adding to 1241145 its reverse (5411421), we get a palindrome (6652566).

The spelling of 1241145 in words is "one million, two hundred forty-one thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 27581 82743 137905 248229 413715 1241145