125415465 has 32 divisors (see below), whose sum is σ = 232574976. Its totient is φ = 56521920.

The previous prime is 125415461. The next prime is 125415467. The reversal of 125415465 is 564514521.

It is not a de Polignac number, because 125415465 - 2² = 125415461 is a prime.

It is a super-2 number, since 2×125415465² = 31458077722332450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125415461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 957 + ... + 15866.

It is an arithmetic number, because the mean of its divisors is an integer number (7267968).

Almost surely, 2^125415465 is an apocalyptic number.

125415465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125415465 is a deficient number, since it is larger than the sum of its proper divisors (107159511).

125415465 is a wasteful number, since it uses less digits than its factorization.

125415465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16909.

The product of its digits is 24000, while the sum is 33.

The square root of 125415465 is about 11198.9046339363. The cubic root of 125415465 is about 500.5533407355.

Adding to 125415465 its reverse (564514521), we get a palindrome (689929986).

The spelling of 125415465 in words is "one hundred twenty-five million, four hundred fifteen thousand, four hundred sixty-five".