1142051215 has 16 divisors (see below), whose sum is σ = 1380170880. Its totient is φ = 907189920.

The previous prime is 1142051189. The next prime is 1142051219. The reversal of 1142051215 is 5121502411.

It is not a de Polignac number, because 1142051215 - 2⁷ = 1142051087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142051219) 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, 576096 + ... + 578074.

It is an arithmetic number, because the mean of its divisors is an integer number (86260680).

Almost surely, 2^1142051215 is an apocalyptic number.

1142051215 is a deficient number, since it is larger than the sum of its proper divisors (238119665).

1142051215 is a wasteful number, since it uses less digits than its factorization.

1142051215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2742.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1142051215 is about 33794.2482532161. The cubic root of 1142051215 is about 1045.2700979901.

Adding to 1142051215 its reverse (5121502411), we get a palindrome (6263553626).

The spelling of 1142051215 in words is "one billion, one hundred forty-two million, fifty-one thousand, two hundred fifteen".