122154066 has 24 divisors (see below), whose sum is σ = 268020480. Its totient is φ = 40202136.

The previous prime is 122154049. The next prime is 122154073. The reversal of 122154066 is 660451221.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41530 + ... + 44373.

It is an arithmetic number, because the mean of its divisors is an integer number (11167520).

Almost surely, 2^122154066 is an apocalyptic number.

122154066 is an abundant number, since it is smaller than the sum of its proper divisors (145866414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122154066 is a wasteful number, since it uses less digits than its factorization.

122154066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85990 (or 85987 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 122154066 is about 11052.3330568708. Note that the first 3 decimals coincide. The cubic root of 122154066 is about 496.1762538063.

The spelling of 122154066 in words is "one hundred twenty-two million, one hundred fifty-four thousand, sixty-six".