122040403439 has 4 divisors (see below), whose sum is σ = 122125927224. Its totient is φ = 121954879656.

The previous prime is 122040403421. The next prime is 122040403447. The reversal of 122040403439 is 934304040221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 934304040221 = 135449 ⋅6897829.

It is a cyclic number.

It is not a de Polignac number, because 122040403439 - 2³² = 117745436143 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 (122040403139) 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, 42759752 + ... + 42762605.

It is an arithmetic number, because the mean of its divisors is an integer number (30531481806).

Almost surely, 2^122040403439 is an apocalyptic number.

122040403439 is a deficient number, since it is larger than the sum of its proper divisors (85523785).

122040403439 is an equidigital number, since it uses as much as digits as its factorization.

122040403439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85523784.

The product of its (nonzero) digits is 20736, while the sum is 32.

The spelling of 122040403439 in words is "one hundred twenty-two billion, forty million, four hundred three thousand, four hundred thirty-nine".