121956054 has 32 divisors (see below), whose sum is σ = 266478336. Its totient is φ = 36901920.

The previous prime is 121956047. The next prime is 121956071. The reversal of 121956054 is 450659121.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83559 + ... + 85005.

It is an arithmetic number, because the mean of its divisors is an integer number (8327448).

Almost surely, 2^121956054 is an apocalyptic number.

121956054 is an abundant number, since it is smaller than the sum of its proper divisors (144522282).

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

121956054 is a wasteful number, since it uses less digits than its factorization.

121956054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2740.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 121956054 is about 11043.3714960604. The cubic root of 121956054 is about 495.9080078918.

The spelling of 121956054 in words is "one hundred twenty-one million, nine hundred fifty-six thousand, fifty-four".