121808652 has 24 divisors (see below), whose sum is σ = 324823296. Its totient is φ = 34802448.

The previous prime is 121808633. The next prime is 121808653. The reversal of 121808652 is 256808121.

It is not an unprimeable number, because it can be changed into a prime (121808653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724968 + ... + 725135.

It is an arithmetic number, because the mean of its divisors is an integer number (13534304).

Almost surely, 2^121808652 is an apocalyptic number.

121808652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121808652 is an abundant number, since it is smaller than the sum of its proper divisors (203014644).

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

121808652 is a wasteful number, since it uses less digits than its factorization.

121808652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450117 (or 1450115 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 121808652 is about 11036.6957011598. The cubic root of 121808652 is about 495.7081345236.

The spelling of 121808652 in words is "one hundred twenty-one million, eight hundred eight thousand, six hundred fifty-two".