121246398 has 48 divisors (see below), whose sum is σ = 323328096. Its totient is φ = 31976640.

The previous prime is 121246393. The next prime is 121246399. The reversal of 121246398 is 893642121.

121246398 is a `hidden beast` number, since 1 + 2 + 12 + 4 + 639 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121246393) 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, 35373 + ... + 38648.

It is an arithmetic number, because the mean of its divisors is an integer number (6736002).

Almost surely, 2^121246398 is an apocalyptic number.

121246398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

121246398 is an abundant number, since it is smaller than the sum of its proper divisors (202081698).

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

121246398 is a wasteful number, since it uses less digits than its factorization.

121246398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74049 (or 74046 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 121246398 is about 11011.1942131633. The cubic root of 121246398 is about 494.9442483888.

The spelling of 121246398 in words is "one hundred twenty-one million, two hundred forty-six thousand, three hundred ninety-eight".