125277321 has 16 divisors (see below), whose sum is σ = 181206144. Its totient is φ = 76527744.

The previous prime is 125277307. The next prime is 125277329. The reversal of 125277321 is 123772521.

It is not a de Polignac number, because 125277321 - 2⁵ = 125277289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125277329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6381 + ... + 17066.

It is an arithmetic number, because the mean of its divisors is an integer number (11325384).

Almost surely, 2^125277321 is an apocalyptic number.

It is an amenable number.

125277321 is a deficient number, since it is larger than the sum of its proper divisors (55928823).

125277321 is a wasteful number, since it uses less digits than its factorization.

125277321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23600.

The product of its digits is 5880, while the sum is 30.

The square root of 125277321 is about 11192.7351885051. The cubic root of 125277321 is about 500.3694882230.

The spelling of 125277321 in words is "one hundred twenty-five million, two hundred seventy-seven thousand, three hundred twenty-one".