125993428 has 18 divisors (see below), whose sum is σ = 242356058. Its totient is φ = 57269520.

The previous prime is 125993407. The next prime is 125993431. The reversal of 125993428 is 824399521.

It can be written as a sum of positive squares in only one way, i.e., 79780624 + 46212804 = 8932^2 + 6798^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129675 + ... + 130642.

Almost surely, 2^125993428 is an apocalyptic number.

It is an amenable number.

125993428 is a deficient number, since it is larger than the sum of its proper divisors (116362630).

125993428 is a wasteful number, since it uses less digits than its factorization.

125993428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260343 (or 260330 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 125993428 is about 11224.6794163575. The cubic root of 125993428 is about 501.3210771031.

The spelling of 125993428 in words is "one hundred twenty-five million, nine hundred ninety-three thousand, four hundred twenty-eight".