121648100 has 36 divisors (see below), whose sum is σ = 301689024. Its totient is φ = 41707680.

The previous prime is 121648097. The next prime is 121648117. The reversal of 121648100 is 1846121.

It is a super-2 number, since 2×121648100² = 29596520467220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86192 + ... + 87591.

Almost surely, 2^121648100 is an apocalyptic number.

121648100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121648100 is an abundant number, since it is smaller than the sum of its proper divisors (180040924).

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

121648100 is a wasteful number, since it uses less digits than its factorization.

121648100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173804 (or 173797 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 121648100 is about 11029.4197490167. The cubic root of 121648100 is about 495.4902465392.

The spelling of 121648100 in words is "one hundred twenty-one million, six hundred forty-eight thousand, one hundred".