122551151 has 8 divisors (see below), whose sum is σ = 124279584. Its totient is φ = 120833280.

The previous prime is 122551133. The next prime is 122551223. The reversal of 122551151 is 151155221.

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 122551151 - 2⁶ = 122551087 is a prime.

It is a super-2 number, since 2×122551151² = 30037569222849602, 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 (122571151) 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, 22355 + ... + 27291.

It is an arithmetic number, because the mean of its divisors is an integer number (15534948).

Almost surely, 2^122551151 is an apocalyptic number.

122551151 is a deficient number, since it is larger than the sum of its proper divisors (1728433).

122551151 is a wasteful number, since it uses less digits than its factorization.

122551151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5281.

The product of its digits is 500, while the sum is 23.

The square root of 122551151 is about 11070.2823360563. The cubic root of 122551151 is about 496.7133106852.

The spelling of 122551151 in words is "one hundred twenty-two million, five hundred fifty-one thousand, one hundred fifty-one".