121932898 has 16 divisors (see below), whose sum is σ = 186018624. Its totient is φ = 59930640.

The previous prime is 121932887. The next prime is 121932901. The reversal of 121932898 is 898239121.

It is a super-2 number, since 2×121932898² = 29735263229356808, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125611 + ... + 126577.

It is an arithmetic number, because the mean of its divisors is an integer number (11626164).

Almost surely, 2^121932898 is an apocalyptic number.

121932898 is a deficient number, since it is larger than the sum of its proper divisors (64085726).

121932898 is an equidigital number, since it uses as much as digits as its factorization.

121932898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977.

The product of its digits is 62208, while the sum is 43.

The square root of 121932898 is about 11042.3230345793. The cubic root of 121932898 is about 495.8766196107.

The spelling of 121932898 in words is "one hundred twenty-one million, nine hundred thirty-two thousand, eight hundred ninety-eight".