122753081 has 4 divisors (see below), whose sum is σ = 133912464. Its totient is φ = 111593700.

The previous prime is 122753069. The next prime is 122753083. The reversal of 122753081 is 180357221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 180357221 = 11 ⋅16396111.

It is a cyclic number.

It is not a de Polignac number, because 122753081 - 2⁶ = 122753017 is a prime.

It is a super-2 number, since 2×122753081² = 30136637789985122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122753083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5579675 + ... + 5579696.

It is an arithmetic number, because the mean of its divisors is an integer number (33478116).

Almost surely, 2^122753081 is an apocalyptic number.

122753081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122753081 is a deficient number, since it is larger than the sum of its proper divisors (11159383).

122753081 is a wasteful number, since it uses less digits than its factorization.

122753081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11159382.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 122753081 is about 11079.3989457912. The cubic root of 122753081 is about 496.9859758238.

The spelling of 122753081 in words is "one hundred twenty-two million, seven hundred fifty-three thousand, eighty-one".