1142087854 has 12 divisors (see below), whose sum is σ = 1717494912. Its totient is φ = 569593160.

The previous prime is 1142087851. The next prime is 1142087857. The reversal of 1142087854 is 4587802411.

It is an interprime number because it is at equal distance from previous prime (1142087851) and next prime (1142087857).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142087851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423699 + ... + 426385.

It is an arithmetic number, because the mean of its divisors is an integer number (143124576).

Almost surely, 2^1142087854 is an apocalyptic number.

1142087854 is a deficient number, since it is larger than the sum of its proper divisors (575407058).

1142087854 is an frugal number, since it uses more digits than its factorization.

1142087854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611 (or 3150 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 40.

The square root of 1142087854 is about 33794.7903381572. The cubic root of 1142087854 is about 1045.2812759014.

The spelling of 1142087854 in words is "one billion, one hundred forty-two million, eighty-seven thousand, eight hundred fifty-four".