125766890 has 16 divisors (see below), whose sum is σ = 238295520. Its totient is φ = 47658960.

The previous prime is 125766887. The next prime is 125766913. The reversal of 125766890 is 98667521.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330776 + ... + 331155.

It is an arithmetic number, because the mean of its divisors is an integer number (14893470).

Almost surely, 2^125766890 is an apocalyptic number.

125766890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125766890 is a deficient number, since it is larger than the sum of its proper divisors (112528630).

125766890 is a wasteful number, since it uses less digits than its factorization.

125766890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661957.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 125766890 is about 11214.5838085949. The cubic root of 125766890 is about 501.0204360040.

The spelling of 125766890 in words is "one hundred twenty-five million, seven hundred sixty-six thousand, eight hundred ninety".