125392428 has 96 divisors (see below), whose sum is σ = 379545600. Its totient is φ = 35054208.

The previous prime is 125392387. The next prime is 125392469. The reversal of 125392428 is 824293521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125392387) and next prime (125392469).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 125392392 and 125392401.

It is a congruent number.

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, 33768 + ... + 37296.

It is an arithmetic number, because the mean of its divisors is an integer number (3953600).

Almost surely, 2^125392428 is an apocalyptic number.

125392428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125392428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189772800).

125392428 is an abundant number, since it is smaller than the sum of its proper divisors (254153172).

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

125392428 is a wasteful number, since it uses less digits than its factorization.

125392428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3596 (or 3588 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 125392428 is about 11197.8760486085. The cubic root of 125392428 is about 500.5226907317.

The spelling of 125392428 in words is "one hundred twenty-five million, three hundred ninety-two thousand, four hundred twenty-eight".