121654002 has 32 divisors (see below), whose sum is σ = 250650432. Its totient is φ = 39334464.

The previous prime is 121653997. The next prime is 121654003. The reversal of 121654002 is 200456121.

It is a self number, because there is not a number n which added to its sum of digits gives 121654002.

It is not an unprimeable number, because it can be changed into a prime (121654003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97728 + ... + 98964.

It is an arithmetic number, because the mean of its divisors is an integer number (7832826).

Almost surely, 2^121654002 is an apocalyptic number.

121654002 is an abundant number, since it is smaller than the sum of its proper divisors (128996430).

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

121654002 is a wasteful number, since it uses less digits than its factorization.

121654002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 121654002 is about 11029.6873029112. The cubic root of 121654002 is about 495.4982596419.

The spelling of 121654002 in words is "one hundred twenty-one million, six hundred fifty-four thousand, two".