122502155 has 4 divisors (see below), whose sum is σ = 147002592. Its totient is φ = 98001720.

The previous prime is 122502131. The next prime is 122502179. The reversal of 122502155 is 551205221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (122502131) and next prime (122502179).

It is not a de Polignac number, because 122502155 - 2¹⁸ = 122240011 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 122502155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12250211 + ... + 12250220.

It is an arithmetic number, because the mean of its divisors is an integer number (36750648).

Almost surely, 2^122502155 is an apocalyptic number.

122502155 is a deficient number, since it is larger than the sum of its proper divisors (24500437).

122502155 is an equidigital number, since it uses as much as digits as its factorization.

122502155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24500436.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 122502155 is about 11068.0691631377. The cubic root of 122502155 is about 496.6471064671.

Adding to 122502155 its reverse (551205221), we get a palindrome (673707376).

The spelling of 122502155 in words is "one hundred twenty-two million, five hundred two thousand, one hundred fifty-five".