125219864 has 32 divisors (see below), whose sum is σ = 292723200. Its totient is φ = 48786720.

The previous prime is 125219837. The next prime is 125219917. The reversal of 125219864 is 468912521.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101024 + ... + 102255.

It is an arithmetic number, because the mean of its divisors is an integer number (9147600).

Almost surely, 2^125219864 is an apocalyptic number.

125219864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125219864 is an abundant number, since it is smaller than the sum of its proper divisors (167503336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125219864 is a wasteful number, since it uses less digits than its factorization.

125219864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203303 (or 203299 counting only the distinct ones).

The product of its digits is 34560, while the sum is 38.

The square root of 125219864 is about 11190.1681846164. The cubic root of 125219864 is about 500.2929802916.

The spelling of 125219864 in words is "one hundred twenty-five million, two hundred nineteen thousand, eight hundred sixty-four".