125012415 has 16 divisors (see below), whose sum is σ = 218203776. Its totient is φ = 60612000.

The previous prime is 125012401. The next prime is 125012431. The reversal of 125012415 is 514210521.

It is not a de Polignac number, because 125012415 - 2⁴ = 125012399 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125012391 and 125012400.

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, 378661 + ... + 378990.

It is an arithmetic number, because the mean of its divisors is an integer number (13637736).

Almost surely, 2^125012415 is an apocalyptic number.

125012415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125012415 is a deficient number, since it is larger than the sum of its proper divisors (93191361).

125012415 is a wasteful number, since it uses less digits than its factorization.

125012415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757670.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 125012415 is about 11180.8950893924. The cubic root of 125012415 is about 500.0165527853.

Adding to 125012415 its reverse (514210521), we get a palindrome (639222936).

The spelling of 125012415 in words is "one hundred twenty-five million, twelve thousand, four hundred fifteen".