240457121 has 8 divisors (see below), whose sum is σ = 242309760. Its totient is φ = 238609728.

The previous prime is 240457093. The next prime is 240457159. The reversal of 240457121 is 121754042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240457121 - 2¹⁴ = 240440737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240057121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160745 + ... + 162233.

It is an arithmetic number, because the mean of its divisors is an integer number (30288720).

Almost surely, 2^240457121 is an apocalyptic number.

It is an amenable number.

240457121 is a deficient number, since it is larger than the sum of its proper divisors (1852639).

240457121 is a wasteful number, since it uses less digits than its factorization.

240457121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 240457121 is about 15506.6798831987. The cubic root of 240457121 is about 621.8408013011.

The spelling of 240457121 in words is "two hundred forty million, four hundred fifty-seven thousand, one hundred twenty-one".