125424390 has 64 divisors (see below), whose sum is σ = 370492416. Its totient is φ = 26462592.

The previous prime is 125424389. The next prime is 125424443. The reversal of 125424390 is 93424521.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 20242 + ... + 25701.

It is an arithmetic number, because the mean of its divisors is an integer number (5788944).

Almost surely, 2^125424390 is an apocalyptic number.

125424390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125424390 is an abundant number, since it is smaller than the sum of its proper divisors (245068026).

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

125424390 is a wasteful number, since it uses less digits than its factorization.

125424390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45973.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 125424390 is about 11199.3031033185. The cubic root of 125424390 is about 500.5652141585.

The spelling of 125424390 in words is "one hundred twenty-five million, four hundred twenty-four thousand, three hundred ninety".