2520122431 has 4 divisors (see below), whose sum is σ = 2521858312. Its totient is φ = 2518386552.

The previous prime is 2520122413. The next prime is 2520122471. The reversal of 2520122431 is 1342210252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2520122431 - 2²⁵ = 2486567999 is a prime.

It is a super-2 number, since 2×2520122431² = 12702034134458699522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520122471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865761 + ... + 868666.

It is an arithmetic number, because the mean of its divisors is an integer number (630464578).

Almost surely, 2^2520122431 is an apocalyptic number.

2520122431 is a deficient number, since it is larger than the sum of its proper divisors (1735881).

2520122431 is a wasteful number, since it uses less digits than its factorization.

2520122431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735880.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2520122431 is about 50200.8210191825. The cubic root of 2520122431 is about 1360.8404607121.

Adding to 2520122431 its reverse (1342210252), we get a palindrome (3862332683).

The spelling of 2520122431 in words is "two billion, five hundred twenty million, one hundred twenty-two thousand, four hundred thirty-one".