125332821 has 12 divisors (see below), whose sum is σ = 183587040. Its totient is φ = 82377960.

The previous prime is 125332817. The next prime is 125332847. The reversal of 125332821 is 128233521.

It is not a de Polignac number, because 125332821 - 2² = 125332817 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125332861) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97431 + ... + 98708.

It is an arithmetic number, because the mean of its divisors is an integer number (15298920).

Almost surely, 2^125332821 is an apocalyptic number.

It is an amenable number.

125332821 is a deficient number, since it is larger than the sum of its proper divisors (58254219).

125332821 is a wasteful number, since it uses less digits than its factorization.

125332821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196216 (or 196213 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 125332821 is about 11195.2142007199. The cubic root of 125332821 is about 500.4433680666.

The spelling of 125332821 in words is "one hundred twenty-five million, three hundred thirty-two thousand, eight hundred twenty-one".