122650151 has 4 divisors (see below), whose sum is σ = 132084792. Its totient is φ = 113215512.

The previous prime is 122650091. The next prime is 122650159. The reversal of 122650151 is 151056221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 122650151 - 2¹⁰ = 122649127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122650159) 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, 4717301 + ... + 4717326.

It is an arithmetic number, because the mean of its divisors is an integer number (33021198).

Almost surely, 2^122650151 is an apocalyptic number.

122650151 is a deficient number, since it is larger than the sum of its proper divisors (9434641).

122650151 is an equidigital number, since it uses as much as digits as its factorization.

122650151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9434640.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 122650151 is about 11074.7528640598. The cubic root of 122650151 is about 496.8470273191.

The spelling of 122650151 in words is "one hundred twenty-two million, six hundred fifty thousand, one hundred fifty-one".