122331439 has 4 divisors (see below), whose sum is σ = 129527424. Its totient is φ = 115135456.

The previous prime is 122331437. The next prime is 122331449. The reversal of 122331439 is 934133221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122331439 - 2¹ = 122331437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122331437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3597967 + ... + 3598000.

It is an arithmetic number, because the mean of its divisors is an integer number (32381856).

Almost surely, 2^122331439 is an apocalyptic number.

122331439 is a deficient number, since it is larger than the sum of its proper divisors (7195985).

122331439 is an equidigital number, since it uses as much as digits as its factorization.

122331439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195984.

The product of its digits is 3888, while the sum is 28.

The square root of 122331439 is about 11060.3543794944. The cubic root of 122331439 is about 496.4162941384.

The spelling of 122331439 in words is "one hundred twenty-two million, three hundred thirty-one thousand, four hundred thirty-nine".