121292998 has 8 divisors (see below), whose sum is σ = 191515320. Its totient is φ = 57454560.

The previous prime is 121292959. The next prime is 121292999. The reversal of 121292998 is 899292121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121292999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1595923 + ... + 1595998.

It is an arithmetic number, because the mean of its divisors is an integer number (23939415).

Almost surely, 2^121292998 is an apocalyptic number.

121292998 is a deficient number, since it is larger than the sum of its proper divisors (70222322).

121292998 is a wasteful number, since it uses less digits than its factorization.

121292998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191942.

The product of its digits is 46656, while the sum is 43.

The square root of 121292998 is about 11013.3100383127. The cubic root of 121292998 is about 495.0076494414.

The spelling of 121292998 in words is "one hundred twenty-one million, two hundred ninety-two thousand, nine hundred ninety-eight".