125212465 has 32 divisors (see below), whose sum is σ = 177315840. Its totient is φ = 83104704.

The previous prime is 125212453. The next prime is 125212511. The reversal of 125212465 is 564212521.

It is a cyclic number.

It is not a de Polignac number, because 125212465 - 2¹³ = 125204273 is a prime.

It is a super-2 number, since 2×125212465² = 31356322782752450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169066 + ... + 169804.

It is an arithmetic number, because the mean of its divisors is an integer number (5541120).

Almost surely, 2^125212465 is an apocalyptic number.

It is an amenable number.

125212465 is a deficient number, since it is larger than the sum of its proper divisors (52103375).

125212465 is a wasteful number, since it uses less digits than its factorization.

125212465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901.

The product of its digits is 4800, while the sum is 28.

The square root of 125212465 is about 11189.8375770160. The cubic root of 125212465 is about 500.2831263154.

Adding to 125212465 its reverse (564212521), we get a palindrome (689424986).

The spelling of 125212465 in words is "one hundred twenty-five million, two hundred twelve thousand, four hundred sixty-five".