122775814 has 16 divisors (see below), whose sum is σ = 214041600. Its totient is φ = 51726024.

The previous prime is 122775803. The next prime is 122775847. The reversal of 122775814 is 418577221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73494 + ... + 75145.

It is an arithmetic number, because the mean of its divisors is an integer number (13377600).

Almost surely, 2^122775814 is an apocalyptic number.

122775814 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

122775814 is a deficient number, since it is larger than the sum of its proper divisors (91265786).

122775814 is a wasteful number, since it uses less digits than its factorization.

122775814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148707.

The product of its digits is 31360, while the sum is 37.

The square root of 122775814 is about 11080.4248113509. The cubic root of 122775814 is about 497.0166533561.

The spelling of 122775814 in words is "one hundred twenty-two million, seven hundred seventy-five thousand, eight hundred fourteen".