240122253 has 8 divisors (see below), whose sum is σ = 365900608. Its totient is φ = 137212704.

The previous prime is 240122177. The next prime is 240122257. The reversal of 240122253 is 352221042.

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

It is not a de Polignac number, because 240122253 - 2¹⁰ = 240121229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11434393 = 240122253 / (2 + 4 + 0 + 1 + 2 + 2 + 2 + 5 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240122257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5717176 + ... + 5717217.

It is an arithmetic number, because the mean of its divisors is an integer number (45737576).

Almost surely, 2^240122253 is an apocalyptic number.

It is an amenable number.

240122253 is a deficient number, since it is larger than the sum of its proper divisors (125778355).

240122253 is a wasteful number, since it uses less digits than its factorization.

240122253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11434403.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 240122253 is about 15495.8785810937. The cubic root of 240122253 is about 621.5520023057.

Adding to 240122253 its reverse (352221042), we get a palindrome (592343295).

The spelling of 240122253 in words is "two hundred forty million, one hundred twenty-two thousand, two hundred fifty-three".