1142113120 has 24 divisors (see below), whose sum is σ = 2698242624. Its totient is φ = 456845184.

The previous prime is 1142113111. The next prime is 1142113163. The reversal of 1142113120 is 213112411.

It is a super-2 number, since 2×1142113120² = 2608844757752268800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1142113094 and 1142113103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568944 + ... + 3569263.

It is an arithmetic number, because the mean of its divisors is an integer number (112426776).

Almost surely, 2^1142113120 is an apocalyptic number.

1142113120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1142113120 is an abundant number, since it is smaller than the sum of its proper divisors (1556129504).

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

1142113120 is an equidigital number, since it uses as much as digits as its factorization.

1142113120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7138222 (or 7138214 counting only the distinct ones).

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

The square root of 1142113120 is about 33795.1641511030. The cubic root of 1142113120 is about 1045.2889839722.

Adding to 1142113120 its reverse (213112411), we get a palindrome (1355225531).

The spelling of 1142113120 in words is "one billion, one hundred forty-two million, one hundred thirteen thousand, one hundred twenty".