121654064 has 30 divisors (see below), whose sum is σ = 274188924. Its totient is φ = 52137120.

The previous prime is 121654063. The next prime is 121654079. The reversal of 121654064 is 460456121.

It is a super-2 number, since 2×121654064² = 29599422575432192, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (121654063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76802 + ... + 78369.

Almost surely, 2^121654064 is an apocalyptic number.

121654064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121654064 is an abundant number, since it is smaller than the sum of its proper divisors (152534860).

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

121654064 is a wasteful number, since it uses less digits than its factorization.

121654064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155193 (or 155180 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 121654064 is about 11029.6901135073. The cubic root of 121654064 is about 495.4983438174.

The spelling of 121654064 in words is "one hundred twenty-one million, six hundred fifty-four thousand, sixty-four".