125190438 has 16 divisors (see below), whose sum is σ = 254118720. Its totient is φ = 41107176.

The previous prime is 125190437. The next prime is 125190467. The reversal of 125190438 is 834091521.

It is a junction number, because it is equal to n+sod(n) for n = 125190399 and 125190408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125190437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155308 + ... + 156111.

It is an arithmetic number, because the mean of its divisors is an integer number (15882420).

Almost surely, 2^125190438 is an apocalyptic number.

125190438 is an abundant number, since it is smaller than the sum of its proper divisors (128928282).

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

125190438 is a wasteful number, since it uses less digits than its factorization.

125190438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311491.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 125190438 is about 11188.8532924514. The cubic root of 125190438 is about 500.2537884943.

The spelling of 125190438 in words is "one hundred twenty-five million, one hundred ninety thousand, four hundred thirty-eight".