1142874 has 12 divisors (see below), whose sum is σ = 2476266. Its totient is φ = 380952.

The previous prime is 1142863. The next prime is 1142881. The reversal of 1142874 is 4782411.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 8649 = 1065^2 + 93^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31729 + ... + 31764.

2^1142874 is an apocalyptic number.

1142874 is an abundant number, since it is smaller than the sum of its proper divisors (1333392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142874 is a wasteful number, since it uses less digits than its factorization.

1142874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63501 (or 63498 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1142874 is about 1069.0528518273. The cubic root of 1142874 is about 104.5521057577.

It can be divided in two parts, 1142 and 874, that added together give a triangular number (2016 = T₆₃).

The spelling of 1142874 in words is "one million, one hundred forty-two thousand, eight hundred seventy-four".