240121402 has 16 divisors (see below), whose sum is σ = 368323200. Its totient is φ = 117353728.

The previous prime is 240121391. The next prime is 240121433. The reversal of 240121402 is 204121042.

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, 113349 + ... + 115447.

It is an arithmetic number, because the mean of its divisors is an integer number (23020200).

Almost surely, 2^240121402 is an apocalyptic number.

240121402 is a deficient number, since it is larger than the sum of its proper divisors (128201798).

240121402 is a wasteful number, since it uses less digits than its factorization.

240121402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3365.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 240121402 is about 15495.8511221552. The cubic root of 240121402 is about 621.5512680389.

Adding to 240121402 its reverse (204121042), we get a palindrome (444242444).

The spelling of 240121402 in words is "two hundred forty million, one hundred twenty-one thousand, four hundred two".