1142776 has 16 divisors (see below), whose sum is σ = 2156040. Its totient is φ = 567840.

The previous prime is 1142773. The next prime is 1142777. The reversal of 1142776 is 6772411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350 + ... + 2026.

2^1142776 is an apocalyptic number.

It is an amenable number.

1142776 is a deficient number, since it is larger than the sum of its proper divisors (1013264).

1142776 is a wasteful number, since it uses less digits than its factorization.

1142776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894 (or 890 counting only the distinct ones).

The product of its digits is 2352, while the sum is 28.

The square root of 1142776 is about 1069.0070158797. The cubic root of 1142776 is about 104.5491172687.

The spelling of 1142776 in words is "one million, one hundred forty-two thousand, seven hundred seventy-six".