1047237142 has 32 divisors (see below), whose sum is σ = 1831025664. Its totient is φ = 439927200.

The previous prime is 1047237131. The next prime is 1047237143. The reversal of 1047237142 is 2417327401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047237143) 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, 263623 + ... + 267565.

It is an arithmetic number, because the mean of its divisors is an integer number (57219552).

Almost surely, 2^1047237142 is an apocalyptic number.

1047237142 is a deficient number, since it is larger than the sum of its proper divisors (783788522).

1047237142 is a wasteful number, since it uses less digits than its factorization.

1047237142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4324.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 1047237142 is about 32361.0435863864. The cubic root of 1047237142 is about 1015.5040947697.

The spelling of 1047237142 in words is "one billion, forty-seven million, two hundred thirty-seven thousand, one hundred forty-two".