1142115264 has 42 divisors (see below), whose sum is σ = 3273668840. Its totient is φ = 380704896.

The previous prime is 1142115263. The next prime is 1142115277. The reversal of 1142115264 is 4625112411.

1142115264 is a `hidden beast` number, since 114 + 21 + 1 + 526 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142115263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 990844 + ... + 991995.

Almost surely, 2^1142115264 is an apocalyptic number.

It is an amenable number.

1142115264 is an abundant number, since it is smaller than the sum of its proper divisors (2131553576).

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

1142115264 is a wasteful number, since it uses less digits than its factorization.

1142115264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1982857 (or 1982844 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1142115264 is about 33795.1958716028. The cubic root of 1142115264 is about 1045.2896380516.

Adding to 1142115264 its reverse (4625112411), we get a palindrome (5767227675).

The spelling of 1142115264 in words is "one billion, one hundred forty-two million, one hundred fifteen thousand, two hundred sixty-four".