1142632 has 16 divisors (see below), whose sum is σ = 2155140. Its totient is φ = 567936.

The previous prime is 1142599. The next prime is 1142633. The reversal of 1142632 is 2362411.

It can be written as a sum of positive squares in 2 ways, for example, as 857476 + 285156 = 926^2 + 534^2 .

It is not an unprimeable number, because it can be changed into a prime (1142633) by changing a digit.

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, 1558 + ... + 2170.

2^1142632 is an apocalyptic number.

It is an amenable number.

1142632 is a deficient number, since it is larger than the sum of its proper divisors (1012508).

1142632 is a wasteful number, since it uses less digits than its factorization.

1142632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 848 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 1142632 is about 1068.9396615338. The cubic root of 1142632 is about 104.5447257095.

The spelling of 1142632 in words is "one million, one hundred forty-two thousand, six hundred thirty-two".