1120131023 has 4 divisors (see below), whose sum is σ = 1221961128. Its totient is φ = 1018300920.

The previous prime is 1120131013. The next prime is 1120131031. The reversal of 1120131023 is 3201310211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3201310211 = 11 ⋅291028201.

It is a cyclic number.

It is not a de Polignac number, because 1120131023 - 2¹² = 1120126927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1120130989 and 1120131007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120131013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50915036 + ... + 50915057.

It is an arithmetic number, because the mean of its divisors is an integer number (305490282).

Almost surely, 2^1120131023 is an apocalyptic number.

1120131023 is a deficient number, since it is larger than the sum of its proper divisors (101830105).

1120131023 is a wasteful number, since it uses less digits than its factorization.

1120131023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101830104.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1120131023 is about 33468.3585345920. The cubic root of 1120131023 is about 1038.5393149909.

Adding to 1120131023 its reverse (3201310211), we get a palindrome (4321441234).

It can be divided in two parts, 11201 and 31023, that added together give a palindrome (42224).

The spelling of 1120131023 in words is "one billion, one hundred twenty million, one hundred thirty-one thousand, twenty-three".