1240233130 has 32 divisors (see below), whose sum is σ = 2365564176. Its totient is φ = 466550784.

The previous prime is 1240233119. The next prime is 1240233179. The reversal of 1240233130 is 313320421.

It can be written as a sum of positive squares in 8 ways, for example, as 509450041 + 730783089 = 22571^2 + 27033^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1240233098 and 1240233107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341082 + ... + 344698.

Almost surely, 2^1240233130 is an apocalyptic number.

1240233130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240233130 is a deficient number, since it is larger than the sum of its proper divisors (1125331046).

1240233130 is a wasteful number, since it uses less digits than its factorization.

1240233130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5658.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1240233130 is about 35216.9437913059. The cubic root of 1240233130 is about 1074.4043947811.

Adding to 1240233130 its reverse (313320421), we get a palindrome (1553553551).

The spelling of 1240233130 in words is "one billion, two hundred forty million, two hundred thirty-three thousand, one hundred thirty".