122770275 has 12 divisors (see below), whose sum is σ = 202980312. Its totient is φ = 65477440.

The previous prime is 122770273. The next prime is 122770279. The reversal of 122770275 is 572077221.

It is not a de Polignac number, because 122770275 - 2¹ = 122770273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122770273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 818394 + ... + 818543.

It is an arithmetic number, because the mean of its divisors is an integer number (16915026).

Almost surely, 2^122770275 is an apocalyptic number.

122770275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122770275 is a deficient number, since it is larger than the sum of its proper divisors (80210037).

122770275 is a wasteful number, since it uses less digits than its factorization.

122770275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636950 (or 1636945 counting only the distinct ones).

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 122770275 is about 11080.1748632411. The cubic root of 122770275 is about 497.0091789832.

The spelling of 122770275 in words is "one hundred twenty-two million, seven hundred seventy thousand, two hundred seventy-five".