125145135 has 16 divisors (see below), whose sum is σ = 222480480. Its totient is φ = 66744000.

The previous prime is 125145113. The next prime is 125145149. The reversal of 125145135 is 531541521.

125145135 is a `hidden beast` number, since 12 + 514 + 5 + 135 = 666.

It is not a de Polignac number, because 125145135 - 2⁶ = 125145071 is a prime.

It is a super-2 number, since 2×125145135² = 31322609628336450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 125145099 and 125145108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463366 + ... + 463635.

It is an arithmetic number, because the mean of its divisors is an integer number (13905030).

Almost surely, 2^125145135 is an apocalyptic number.

125145135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125145135 is a deficient number, since it is larger than the sum of its proper divisors (97335345).

125145135 is an equidigital number, since it uses as much as digits as its factorization.

125145135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927015 (or 927009 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 125145135 is about 11186.8286390737. The cubic root of 125145135 is about 500.1934384868.

Adding to 125145135 its reverse (531541521), we get a palindrome (656686656).

The spelling of 125145135 in words is "one hundred twenty-five million, one hundred forty-five thousand, one hundred thirty-five".