122381123 has 4 divisors (see below), whose sum is σ = 122593800. Its totient is φ = 122168448.

The previous prime is 122381111. The next prime is 122381177. The reversal of 122381123 is 321183221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321183221 = 157 ⋅2045753.

It is a cyclic number.

It is not a de Polignac number, because 122381123 - 2¹² = 122377027 is a prime.

It is a super-2 number, since 2×122381123² = 29954278533482258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122381323) 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, 105473 + ... + 106626.

It is an arithmetic number, because the mean of its divisors is an integer number (30648450).

Almost surely, 2^122381123 is an apocalyptic number.

122381123 is a deficient number, since it is larger than the sum of its proper divisors (212677).

122381123 is an equidigital number, since it uses as much as digits as its factorization.

122381123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212676.

The product of its digits is 576, while the sum is 23.

The square root of 122381123 is about 11062.6001916367. The cubic root of 122381123 is about 496.4834902985.

The spelling of 122381123 in words is "one hundred twenty-two million, three hundred eighty-one thousand, one hundred twenty-three".