1142312 has 8 divisors (see below), whose sum is σ = 2141850. Its totient is φ = 571152.

The previous prime is 1142311. The next prime is 1142321. The reversal of 1142312 is 2132411.

It can be written as a sum of positive squares in only one way, i.e., 835396 + 306916 = 914^2 + 554^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1142311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71387 + ... + 71402.

2^1142312 is an apocalyptic number.

It is an amenable number.

1142312 is a deficient number, since it is larger than the sum of its proper divisors (999538).

1142312 is a wasteful number, since it uses less digits than its factorization.

1142312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142795 (or 142791 counting only the distinct ones).

The product of its digits is 48, while the sum is 14.

The square root of 1142312 is about 1068.7899700128. The cubic root of 1142312 is about 104.5349653680.

Adding to 1142312 its reverse (2132411), we get a palindrome (3274723).

Subtracting 1142312 from its reverse (2132411), we obtain a palindrome (990099).

The spelling of 1142312 in words is "one million, one hundred forty-two thousand, three hundred twelve".