1131240102 has 32 divisors (see below), whose sum is σ = 2334407040. Its totient is φ = 365225280.

The previous prime is 1131240067. The next prime is 1131240137. The reversal of 1131240102 is 2010421311.

It is an interprime number because it is at equal distance from previous prime (1131240067) and next prime (1131240137).

It is a congruent number.

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, 17653 + ... + 50735.

It is an arithmetic number, because the mean of its divisors is an integer number (72950220).

Almost surely, 2^1131240102 is an apocalyptic number.

1131240102 is an abundant number, since it is smaller than the sum of its proper divisors (1203166938).

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

1131240102 is a wasteful number, since it uses less digits than its factorization.

1131240102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33268.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1131240102 is about 33633.9129748532. The cubic root of 1131240102 is about 1041.9613204230.

Adding to 1131240102 its reverse (2010421311), we get a palindrome (3141661413).

The spelling of 1131240102 in words is "one billion, one hundred thirty-one million, two hundred forty thousand, one hundred two".