122751253 has 8 divisors (see below), whose sum is σ = 131213376. Its totient is φ = 114549600.

The previous prime is 122751217. The next prime is 122751319. The reversal of 122751253 is 352157221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122751253 - 2²¹ = 120654101 is a prime.

It is a super-2 number, since 2×122751253² = 30135740226140018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122751053) 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 7 ways as a sum of consecutive naturals, for example, 64143 + ... + 66028.

It is an arithmetic number, because the mean of its divisors is an integer number (16401672).

Almost surely, 2^122751253 is an apocalyptic number.

It is an amenable number.

122751253 is a deficient number, since it is larger than the sum of its proper divisors (8462123).

122751253 is a wasteful number, since it uses less digits than its factorization.

122751253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130235.

The product of its digits is 4200, while the sum is 28.

The square root of 122751253 is about 11079.3164500343. The cubic root of 122751253 is about 496.9835088256.

The spelling of 122751253 in words is "one hundred twenty-two million, seven hundred fifty-one thousand, two hundred fifty-three".