125250321 has 24 divisors (see below), whose sum is σ = 195824640. Its totient is φ = 70997472.

The previous prime is 125250287. The next prime is 125250343. The reversal of 125250321 is 123052521.

It is not a de Polignac number, because 125250321 - 2⁷ = 125250193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (125250221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15315 + ... + 22023.

It is an arithmetic number, because the mean of its divisors is an integer number (8159360).

Almost surely, 2^125250321 is an apocalyptic number.

It is an amenable number.

125250321 is a deficient number, since it is larger than the sum of its proper divisors (70574319).

125250321 is a wasteful number, since it uses less digits than its factorization.

125250321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853 (or 6846 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 125250321 is about 11191.5289840129. The cubic root of 125250321 is about 500.3335387876. Note that the first 3 decimals are identical.

The spelling of 125250321 in words is "one hundred twenty-five million, two hundred fifty thousand, three hundred twenty-one".