122154013 has 16 divisors (see below), whose sum is σ = 128779200. Its totient is φ = 115758720.

The previous prime is 122154001. The next prime is 122154023. The reversal of 122154013 is 310451221.

It is a cyclic number.

It is not a de Polignac number, because 122154013 - 2²¹ = 120056861 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 (122154023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225523 + ... + 226063.

It is an arithmetic number, because the mean of its divisors is an integer number (8048700).

Almost surely, 2^122154013 is an apocalyptic number.

It is an amenable number.

122154013 is a deficient number, since it is larger than the sum of its proper divisors (6625187).

122154013 is an equidigital number, since it uses as much as digits as its factorization.

122154013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 122154013 is about 11052.3306591868. The cubic root of 122154013 is about 496.1761820462.

The spelling of 122154013 in words is "one hundred twenty-two million, one hundred fifty-four thousand, thirteen".