121363940 has 12 divisors (see below), whose sum is σ = 254864316. Its totient is φ = 48545568.

The previous prime is 121363937. The next prime is 121363943. The reversal of 121363940 is 49363121.

It is an interprime number because it is at equal distance from previous prime (121363937) and next prime (121363943).

It can be written as a sum of positive squares in 2 ways, for example, as 28472896 + 92891044 = 5336^2 + 9638^2 .

It is not an unprimeable number, because it can be changed into a prime (121363943) 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, 3034079 + ... + 3034118.

It is an arithmetic number, because the mean of its divisors is an integer number (21238693).

Almost surely, 2^121363940 is an apocalyptic number.

121363940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121363940 is an abundant number, since it is smaller than the sum of its proper divisors (133500376).

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

121363940 is a wasteful number, since it uses less digits than its factorization.

121363940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6068206 (or 6068204 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 121363940 is about 11016.5303067708. The cubic root of 121363940 is about 495.1041375296.

The spelling of 121363940 in words is "one hundred twenty-one million, three hundred sixty-three thousand, nine hundred forty".