122153954 has 16 divisors (see below), whose sum is σ = 200672640. Its totient is φ = 55422480.

The previous prime is 122153951. The next prime is 122153957. The reversal of 122153954 is 459351221.

It is an interprime number because it is at equal distance from previous prime (122153951) and next prime (122153957).

It is a self number, because there is not a number n which added to its sum of digits gives 122153954.

It is not an unprimeable number, because it can be changed into a prime (122153951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38282 + ... + 41349.

It is an arithmetic number, because the mean of its divisors is an integer number (12542040).

Almost surely, 2^122153954 is an apocalyptic number.

122153954 is a deficient number, since it is larger than the sum of its proper divisors (78518686).

122153954 is a wasteful number, since it uses less digits than its factorization.

122153954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79705.

The product of its digits is 10800, while the sum is 32.

The square root of 122153954 is about 11052.3279900662. The cubic root of 122153954 is about 496.1761021624.

The spelling of 122153954 in words is "one hundred twenty-two million, one hundred fifty-three thousand, nine hundred fifty-four".