125284990 has 8 divisors (see below), whose sum is σ = 225513000. Its totient is φ = 50113992.

The previous prime is 125284987. The next prime is 125285003. The reversal of 125284990 is 99482521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6264240 + ... + 6264259.

It is an arithmetic number, because the mean of its divisors is an integer number (28189125).

Almost surely, 2^125284990 is an apocalyptic number.

125284990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125284990 is a deficient number, since it is larger than the sum of its proper divisors (100228010).

125284990 is a wasteful number, since it uses less digits than its factorization.

125284990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12528506.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 125284990 is about 11193.0777715515. The cubic root of 125284990 is about 500.3796982522.

The spelling of 125284990 in words is "one hundred twenty-five million, two hundred eighty-four thousand, nine hundred ninety".