122150919 has 8 divisors (see below), whose sum is σ = 177674112. Its totient is φ = 74030840.

The previous prime is 122150891. The next prime is 122150921. The reversal of 122150919 is 919051221.

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 122150919 - 2²⁴ = 105373703 is a prime.

It is a super-2 number, since 2×122150919² = 29841694025089122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122150939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1850739 + ... + 1850804.

It is an arithmetic number, because the mean of its divisors is an integer number (22209264).

Almost surely, 2^122150919 is an apocalyptic number.

122150919 is a deficient number, since it is larger than the sum of its proper divisors (55523193).

122150919 is a wasteful number, since it uses less digits than its factorization.

122150919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3701557.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 122150919 is about 11052.1906878229. The cubic root of 122150919 is about 496.1719928481.

The spelling of 122150919 in words is "one hundred twenty-two million, one hundred fifty thousand, nine hundred nineteen".