121630698 has 48 divisors (see below), whose sum is σ = 311575680. Its totient is φ = 33552288.

The previous prime is 121630697. The next prime is 121630711. The reversal of 121630698 is 896036121.

121630698 is a `hidden beast` number, since 12 + 1 + 630 + 6 + 9 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (121630697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12990 + ... + 20297.

It is an arithmetic number, because the mean of its divisors is an integer number (6491160).

Almost surely, 2^121630698 is an apocalyptic number.

121630698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

121630698 is an abundant number, since it is smaller than the sum of its proper divisors (189944982).

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

121630698 is a wasteful number, since it uses less digits than its factorization.

121630698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33331 (or 33328 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 121630698 is about 11028.6308307060. The cubic root of 121630698 is about 495.4666184610.

The spelling of 121630698 in words is "one hundred twenty-one million, six hundred thirty thousand, six hundred ninety-eight".