1142291015 has 16 divisors (see below), whose sum is σ = 1378840320. Its totient is φ = 908455680.

The previous prime is 1142291009. The next prime is 1142291027. The reversal of 1142291015 is 5101922411.

It is not a de Polignac number, because 1142291015 - 2⁴ = 1142290999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1152170 + ... + 1153160.

It is an arithmetic number, because the mean of its divisors is an integer number (86177520).

Almost surely, 2^1142291015 is an apocalyptic number.

1142291015 is a deficient number, since it is larger than the sum of its proper divisors (236549305).

1142291015 is an equidigital number, since it uses as much as digits as its factorization.

1142291015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122.

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 1142291015 is about 33797.7960080240. The cubic root of 1142291015 is about 1045.3432523941.

The spelling of 1142291015 in words is "one billion, one hundred forty-two million, two hundred ninety-one thousand, fifteen".