122331400 has 24 divisors (see below), whose sum is σ = 284420970. Its totient is φ = 48932480.

The previous prime is 122331389. The next prime is 122331409. The reversal of 122331400 is 4133221.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 96707556 + 25623844 = 9834^2 + 5062^2 .

It is not an unprimeable number, because it can be changed into a prime (122331409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305629 + ... + 306028.

Almost surely, 2^122331400 is an apocalyptic number.

122331400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122331400 is an abundant number, since it is smaller than the sum of its proper divisors (162089570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122331400 is a wasteful number, since it uses less digits than its factorization.

122331400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611673 (or 611664 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 122331400 is about 11060.3526164404. The cubic root of 122331400 is about 496.4162413849.

Adding to 122331400 its reverse (4133221), we get a palindrome (126464621).

It can be divided in two parts, 1223 and 31400, that added together give a palindrome (32623).

The spelling of 122331400 in words is "one hundred twenty-two million, three hundred thirty-one thousand, four hundred".