121019996 has 24 divisors (see below), whose sum is σ = 215245296. Its totient is φ = 59529600.

The previous prime is 121019993. The next prime is 121019999. The reversal of 121019996 is 699910121.

It is an interprime number because it is at equal distance from previous prime (121019993) and next prime (121019999).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121019993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66296 + ... + 68096.

It is an arithmetic number, because the mean of its divisors is an integer number (8968554).

Almost surely, 2^121019996 is an apocalyptic number.

It is an amenable number.

121019996 is a deficient number, since it is larger than the sum of its proper divisors (94225300).

121019996 is a wasteful number, since it uses less digits than its factorization.

121019996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 2067 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 38.

The square root of 121019996 is about 11000.9088715433. The cubic root of 121019996 is about 494.6359885444.

The spelling of 121019996 in words is "one hundred twenty-one million, nineteen thousand, nine hundred ninety-six".