122553311 has 8 divisors (see below), whose sum is σ = 125561040. Its totient is φ = 119552832.

The previous prime is 122553307. The next prime is 122553329. The reversal of 122553311 is 113355221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122553311 - 2² = 122553307 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 (122553611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50105 + ... + 52493.

It is an arithmetic number, because the mean of its divisors is an integer number (15695130).

Almost surely, 2^122553311 is an apocalyptic number.

122553311 is a deficient number, since it is larger than the sum of its proper divisors (3007729).

122553311 is a wasteful number, since it uses less digits than its factorization.

122553311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625.

The product of its digits is 900, while the sum is 23.

The square root of 122553311 is about 11070.3798941138. The cubic root of 122553311 is about 496.7162289074.

The spelling of 122553311 in words is "one hundred twenty-two million, five hundred fifty-three thousand, three hundred eleven".