1121120131 has 8 divisors (see below), whose sum is σ = 1189209600. Its totient is φ = 1053268608.

The previous prime is 1121120129. The next prime is 1121120141. The reversal of 1121120131 is 1310211211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121120131 - 2¹ = 1121120129 is a prime.

It is a super-2 number, since 2×1121120131² = 2513820696266914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121120111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49731 + ... + 68668.

It is an arithmetic number, because the mean of its divisors is an integer number (148651200).

Almost surely, 2^1121120131 is an apocalyptic number.

1121120131 is a deficient number, since it is larger than the sum of its proper divisors (68089469).

1121120131 is a wasteful number, since it uses less digits than its factorization.

1121120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118973.

The product of its (nonzero) digits is 12, while the sum is 13.

The square root of 1121120131 is about 33483.1320368928. The cubic root of 1121120131 is about 1038.8449117811.

Adding to 1121120131 its reverse (1310211211), we get a palindrome (2431331342).

The spelling of 1121120131 in words is "one billion, one hundred twenty-one million, one hundred twenty thousand, one hundred thirty-one".