122429553 has 4 divisors (see below), whose sum is σ = 163239408. Its totient is φ = 81619700.

The previous prime is 122429533. The next prime is 122429603. The reversal of 122429553 is 355924221.

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 122429553 - 2⁸ = 122429297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122429513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20404923 + ... + 20404928.

It is an arithmetic number, because the mean of its divisors is an integer number (40809852).

Almost surely, 2^122429553 is an apocalyptic number.

It is an amenable number.

122429553 is a deficient number, since it is larger than the sum of its proper divisors (40809855).

122429553 is an equidigital number, since it uses as much as digits as its factorization.

122429553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40809854.

The product of its digits is 21600, while the sum is 33.

The square root of 122429553 is about 11064.7888818540. The cubic root of 122429553 is about 496.5489729585.

The spelling of 122429553 in words is "one hundred twenty-two million, four hundred twenty-nine thousand, five hundred fifty-three".