122881825 has 24 divisors (see below), whose sum is σ = 169382016. Its totient is φ = 87672000.

The previous prime is 122881823. The next prime is 122881867. The reversal of 122881825 is 528188221.

It is not a de Polignac number, because 122881825 - 2¹ = 122881823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122881823) 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, 10360 + ... + 18790.

It is an arithmetic number, because the mean of its divisors is an integer number (7057584).

Almost surely, 2^122881825 is an apocalyptic number.

It is an amenable number.

122881825 is a deficient number, since it is larger than the sum of its proper divisors (46500191).

122881825 is a wasteful number, since it uses less digits than its factorization.

122881825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8505 (or 8500 counting only the distinct ones).

The product of its digits is 20480, while the sum is 37.

The square root of 122881825 is about 11085.2074856540. The cubic root of 122881825 is about 497.1596621815.

The spelling of 122881825 in words is "one hundred twenty-two million, eight hundred eighty-one thousand, eight hundred twenty-five".