122923151 has 8 divisors (see below), whose sum is σ = 133867440. Its totient is φ = 112191552.

The previous prime is 122923147. The next prime is 122923181. The reversal of 122923151 is 151329221.

It is a happy number.

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 122923151 - 2² = 122923147 is a prime.

It is a super-2 number, since 2×122923151² = 30220202103537602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122923151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122923181) 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, 51965 + ... + 54278.

It is an arithmetic number, because the mean of its divisors is an integer number (16733430).

Almost surely, 2^122923151 is an apocalyptic number.

122923151 is a deficient number, since it is larger than the sum of its proper divisors (10944289).

122923151 is a wasteful number, since it uses less digits than its factorization.

122923151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106345.

The product of its digits is 1080, while the sum is 26.

The square root of 122923151 is about 11087.0713445887. The cubic root of 122923151 is about 497.2153886689.

The spelling of 122923151 in words is "one hundred twenty-two million, nine hundred twenty-three thousand, one hundred fifty-one".