1240054131 has 16 divisors (see below), whose sum is σ = 1726534656. Its totient is φ = 790190016.

The previous prime is 1240054099. The next prime is 1240054169. The reversal of 1240054131 is 1314500421.

It is not a de Polignac number, because 1240054131 - 2⁵ = 1240054099 is a prime.

It is a super-2 number, since 2×1240054131² = 3075468495620330322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1240054098 and 1240054107.

It is not an unprimeable number, because it can be changed into a prime (1240054031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103551 + ... + 114903.

It is an arithmetic number, because the mean of its divisors is an integer number (107908416).

Almost surely, 2^1240054131 is an apocalyptic number.

1240054131 is a deficient number, since it is larger than the sum of its proper divisors (486480525).

1240054131 is a wasteful number, since it uses less digits than its factorization.

1240054131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12962.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1240054131 is about 35214.4023234812. The cubic root of 1240054131 is about 1074.3527038099.

Adding to 1240054131 its reverse (1314500421), we get a palindrome (2554554552).

The spelling of 1240054131 in words is "one billion, two hundred forty million, fifty-four thousand, one hundred thirty-one".