122477155 has 8 divisors (see below), whose sum is σ = 147071232. Its totient is φ = 97915968.

The previous prime is 122477153. The next prime is 122477167. The reversal of 122477155 is 551774221.

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 122477155 - 2¹ = 122477153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122477155.

It is not an unprimeable number, because it can be changed into a prime (122477153) 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, 894 + ... + 15676.

It is an arithmetic number, because the mean of its divisors is an integer number (18383904).

Almost surely, 2^122477155 is an apocalyptic number.

122477155 is a deficient number, since it is larger than the sum of its proper divisors (24594077).

122477155 is a wasteful number, since it uses less digits than its factorization.

122477155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16445.

The product of its digits is 19600, while the sum is 34.

The square root of 122477155 is about 11066.9397305669. The cubic root of 122477155 is about 496.6133192455.

The spelling of 122477155 in words is "one hundred twenty-two million, four hundred seventy-seven thousand, one hundred fifty-five".