122866827 has 4 divisors (see below), whose sum is σ = 163822440. Its totient is φ = 81911216.

The previous prime is 122866819. The next prime is 122866847. The reversal of 122866827 is 728668221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122866827 - 2³ = 122866819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122866847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20477802 + ... + 20477807.

It is an arithmetic number, because the mean of its divisors is an integer number (40955610).

Almost surely, 2^122866827 is an apocalyptic number.

122866827 is a deficient number, since it is larger than the sum of its proper divisors (40955613).

122866827 is an equidigital number, since it uses as much as digits as its factorization.

122866827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40955612.

The product of its digits is 129024, while the sum is 42.

The square root of 122866827 is about 11084.5309778989. The cubic root of 122866827 is about 497.1394348777.

The spelling of 122866827 in words is "one hundred twenty-two million, eight hundred sixty-six thousand, eight hundred twenty-seven".