122040413 has 4 divisors (see below), whose sum is σ = 133135008. Its totient is φ = 110945820.

The previous prime is 122040389. The next prime is 122040431. The reversal of 122040413 is 314040221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122040413 - 2⁶ = 122040349 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122040391 and 122040400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122040473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5547281 + ... + 5547302.

It is an arithmetic number, because the mean of its divisors is an integer number (33283752).

Almost surely, 2^122040413 is an apocalyptic number.

It is an amenable number.

122040413 is a deficient number, since it is larger than the sum of its proper divisors (11094595).

122040413 is a wasteful number, since it uses less digits than its factorization.

122040413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11094594.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 122040413 is about 11047.1902762648. The cubic root of 122040413 is about 496.0223241014.

Subtracting from 122040413 its product of nonzero digits (192), we obtain a palindrome (122040221).

Adding to 122040413 its reverse (314040221), we get a palindrome (436080634).

The spelling of 122040413 in words is "one hundred twenty-two million, forty thousand, four hundred thirteen".