125061507 has 12 divisors (see below), whose sum is σ = 182244504. Its totient is φ = 82635840.

The previous prime is 125061499. The next prime is 125061509. The reversal of 125061507 is 705160521.

125061507 is a `hidden beast` number, since 1 + 2 + 506 + 150 + 7 = 666.

It is not a de Polignac number, because 125061507 - 2³ = 125061499 is a prime.

It is a super-2 number, since 2×125061507² = 31280761066222098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125061509) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 60469 + ... + 62502.

It is an arithmetic number, because the mean of its divisors is an integer number (15187042).

Almost surely, 2^125061507 is an apocalyptic number.

125061507 is a deficient number, since it is larger than the sum of its proper divisors (57182997).

125061507 is a wasteful number, since it uses less digits than its factorization.

125061507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123090 (or 123087 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 125061507 is about 11183.0902258723. The cubic root of 125061507 is about 500.0819958859.

The spelling of 125061507 in words is "one hundred twenty-five million, sixty-one thousand, five hundred seven".