1142570547 has 12 divisors (see below), whose sum is σ = 1662428040. Its totient is φ = 756152928.

The previous prime is 1142570537. The next prime is 1142570549. The reversal of 1142570547 is 7450752411.

1142570547 is a `hidden beast` number, since 1 + 1 + 42 + 5 + 70 + 547 = 666.

It is not a de Polignac number, because 1142570547 - 2⁴ = 1142570531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142570549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 462097 + ... + 464562.

It is an arithmetic number, because the mean of its divisors is an integer number (138535670).

Almost surely, 2^1142570547 is an apocalyptic number.

1142570547 is a deficient number, since it is larger than the sum of its proper divisors (519857493).

1142570547 is a wasteful number, since it uses less digits than its factorization.

1142570547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926802 (or 926799 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 1142570547 is about 33801.9311134734. The cubic root of 1142570547 is about 1045.4285146883.

The spelling of 1142570547 in words is "one billion, one hundred forty-two million, five hundred seventy thousand, five hundred forty-seven".