1140431110 has 128 divisors (see below), whose sum is σ = 2699827200. Its totient is φ = 336752640.

The previous prime is 1140431107. The next prime is 1140431153. The reversal of 1140431110 is 111340411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1227126 + ... + 1228054.

It is an arithmetic number, because the mean of its divisors is an integer number (21092400).

Almost surely, 2^1140431110 is an apocalyptic number.

1140431110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140431110 is an abundant number, since it is smaller than the sum of its proper divisors (1559396090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140431110 is a wasteful number, since it uses less digits than its factorization.

1140431110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1140431110 is about 33770.2696169278. The cubic root of 1140431110 is about 1044.7755933970.

Adding to 1140431110 its reverse (111340411), we get a palindrome (1251771521).

The spelling of 1140431110 in words is "one billion, one hundred forty million, four hundred thirty-one thousand, one hundred ten".