122253857 has 8 divisors (see below), whose sum is σ = 133774752. Its totient is φ = 110800800.

The previous prime is 122253839. The next prime is 122253869. The reversal of 122253857 is 758352221.

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

It is not a de Polignac number, because 122253857 - 2¹⁶ = 122188321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122253877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13148 + ... + 20429.

It is an arithmetic number, because the mean of its divisors is an integer number (16721844).

Almost surely, 2^122253857 is an apocalyptic number.

It is an amenable number.

122253857 is a deficient number, since it is larger than the sum of its proper divisors (11520895).

122253857 is a wasteful number, since it uses less digits than its factorization.

122253857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33919.

The product of its digits is 33600, while the sum is 35.

The square root of 122253857 is about 11056.8466119414. The cubic root of 122253857 is about 496.3113303512.

The spelling of 122253857 in words is "one hundred twenty-two million, two hundred fifty-three thousand, eight hundred fifty-seven".