121318040 has 32 divisors (see below), whose sum is σ = 287334000. Its totient is φ = 45972864.

The previous prime is 121318033. The next prime is 121318051. The reversal of 121318040 is 40813121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79055 + ... + 80574.

Almost surely, 2^121318040 is an apocalyptic number.

121318040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121318040 is an abundant number, since it is smaller than the sum of its proper divisors (166015960).

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

121318040 is a wasteful number, since it uses less digits than its factorization.

121318040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159659 (or 159655 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 121318040 is about 11014.4468767161. The cubic root of 121318040 is about 495.0417133164.

The spelling of 121318040 in words is "one hundred twenty-one million, three hundred eighteen thousand, forty".