121363240 has 32 divisors (see below), whose sum is σ = 273984480. Its totient is φ = 48382272.

The previous prime is 121363223. The next prime is 121363261. The reversal of 121363240 is 42363121.

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, 7339 + ... + 17221.

It is an arithmetic number, because the mean of its divisors is an integer number (8562015).

Almost surely, 2^121363240 is an apocalyptic number.

121363240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121363240 is an abundant number, since it is smaller than the sum of its proper divisors (152621240).

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

121363240 is a wasteful number, since it uses less digits than its factorization.

121363240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10201 (or 10197 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 121363240 is about 11016.4985362864. The cubic root of 121363240 is about 495.1031856446.

It can be divided in two parts, 12136 and 3240, that added together give a square (15376 = 124²).

The spelling of 121363240 in words is "one hundred twenty-one million, three hundred sixty-three thousand, two hundred forty".