1123102131 has 16 divisors (see below), whose sum is σ = 1547132928. Its totient is φ = 723945600.

The previous prime is 1123102129. The next prime is 1123102147. The reversal of 1123102131 is 1312013211.

It is a happy number.

It is not a de Polignac number, because 1123102131 - 2¹ = 1123102129 is a prime.

It is a super-2 number, since 2×1123102131² = 2522716793313482322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123102131.

It is not an unprimeable number, because it can be changed into a prime (1123102231) 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, 115966 + ... + 125276.

It is an arithmetic number, because the mean of its divisors is an integer number (96695808).

Almost surely, 2^1123102131 is an apocalyptic number.

1123102131 is a deficient number, since it is larger than the sum of its proper divisors (424030797).

1123102131 is a wasteful number, since it uses less digits than its factorization.

1123102131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10642.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 1123102131 is about 33512.7159597667. The cubic root of 1123102131 is about 1039.4567339527.

Adding to 1123102131 its reverse (1312013211), we get a palindrome (2435115342).

The spelling of 1123102131 in words is "one billion, one hundred twenty-three million, one hundred two thousand, one hundred thirty-one".