121802652 has 36 divisors (see below), whose sum is σ = 310326016. Its totient is φ = 40279680.

The previous prime is 121802651. The next prime is 121802663. The reversal of 121802652 is 256208121.

It is a happy number.

121802652 is a `hidden beast` number, since 1 + 2 + 1 + 8 + 0 + 2 + 652 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121802651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8749 + ... + 17892.

Almost surely, 2^121802652 is an apocalyptic number.

121802652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121802652 is an abundant number, since it is smaller than the sum of its proper divisors (188523364).

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

121802652 is a wasteful number, since it uses less digits than its factorization.

121802652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26778 (or 26773 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 121802652 is about 11036.4238773255. The cubic root of 121802652 is about 495.6999952615.

The spelling of 121802652 in words is "one hundred twenty-one million, eight hundred two thousand, six hundred fifty-two".