121469795154 has 32 divisors (see below), whose sum is σ = 279240912000. Its totient is φ = 39093726672.

The previous prime is 121469795129. The next prime is 121469795177. The reversal of 121469795154 is 451597964121.

121469795154 is a `hidden beast` number, since 1 + 21 + 469 + 7 + 9 + 5 + 154 = 666.

It is a super-2 number, since 2×121469795154² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 121469795154.

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, 38781894 + ... + 38785025.

It is an arithmetic number, because the mean of its divisors is an integer number (8726278500).

Almost surely, 2^121469795154 is an apocalyptic number.

121469795154 is an abundant number, since it is smaller than the sum of its proper divisors (157771116846).

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

121469795154 is a wasteful number, since it uses less digits than its factorization.

121469795154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77566959 (or 77566953 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 121469795154 in words is "one hundred twenty-one billion, four hundred sixty-nine million, seven hundred ninety-five thousand, one hundred fifty-four".