125210890 has 16 divisors (see below), whose sum is σ = 257576832. Its totient is φ = 42929424.

The previous prime is 125210863. The next prime is 125210909. The reversal of 125210890 is 98012521.

It is an unprimeable number.

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, 894294 + ... + 894433.

It is an arithmetic number, because the mean of its divisors is an integer number (16098552).

Almost surely, 2^125210890 is an apocalyptic number.

125210890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125210890 is an abundant number, since it is smaller than the sum of its proper divisors (132365942).

125210890 is a wasteful number, since it uses less digits than its factorization.

125210890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788741.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 125210890 is about 11189.7672004381. The cubic root of 125210890 is about 500.2810286828.

The spelling of 125210890 in words is "one hundred twenty-five million, two hundred ten thousand, eight hundred ninety".