125423216 has 10 divisors (see below), whose sum is σ = 243007512. Its totient is φ = 62711600.

The previous prime is 125423191. The next prime is 125423261. The reversal of 125423216 is 612324521.

It is a happy number.

It is a super-2 number, since 2×125423216² = 31461966223565312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3919460 + ... + 3919491.

Almost surely, 2^125423216 is an apocalyptic number.

125423216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125423216 is a deficient number, since it is larger than the sum of its proper divisors (117584296).

125423216 is an equidigital number, since it uses as much as digits as its factorization.

125423216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7838959 (or 7838953 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 125423216 is about 11199.2506892202. The cubic root of 125423216 is about 500.5636523533.

Adding to 125423216 its reverse (612324521), we get a palindrome (737747737).

The spelling of 125423216 in words is "one hundred twenty-five million, four hundred twenty-three thousand, two hundred sixteen".