122855234 has 4 divisors (see below), whose sum is σ = 184282854. Its totient is φ = 61427616.

The previous prime is 122855233. The next prime is 122855251. The reversal of 122855234 is 432558221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432558221 = 31 ⋅13953491.

It can be written as a sum of positive squares in only one way, i.e., 122036209 + 819025 = 11047^2 + 905^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122855234.

It is not an unprimeable number, because it can be changed into a prime (122855231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30713807 + ... + 30713810.

Almost surely, 2^122855234 is an apocalyptic number.

122855234 is a deficient number, since it is larger than the sum of its proper divisors (61427620).

122855234 is an equidigital number, since it uses as much as digits as its factorization.

122855234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61427619.

The product of its digits is 19200, while the sum is 32.

The square root of 122855234 is about 11084.0080295893. The cubic root of 122855234 is about 497.1237986563.

The spelling of 122855234 in words is "one hundred twenty-two million, eight hundred fifty-five thousand, two hundred thirty-four".