1142571874 has 8 divisors (see below), whose sum is σ = 1788373440. Its totient is φ = 546447396.

The previous prime is 1142571863. The next prime is 1142571889. The reversal of 1142571874 is 4781752411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12419214 + ... + 12419305.

It is an arithmetic number, because the mean of its divisors is an integer number (223546680).

Almost surely, 2^1142571874 is an apocalyptic number.

1142571874 is a deficient number, since it is larger than the sum of its proper divisors (645801566).

1142571874 is a wasteful number, since it uses less digits than its factorization.

1142571874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24838544.

The product of its digits is 62720, while the sum is 40.

The square root of 1142571874 is about 33801.9507425237. The cubic root of 1142571874 is about 1045.4289194140.

The spelling of 1142571874 in words is "one billion, one hundred forty-two million, five hundred seventy-one thousand, eight hundred seventy-four".