1142961 has 16 divisors (see below), whose sum is σ = 1641024. Its totient is φ = 705024.

The previous prime is 1142959. The next prime is 1142969. The reversal of 1142961 is 1692411.

It is not a de Polignac number, because 1142961 - 2¹ = 1142959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3570 + ... + 3876.

It is an arithmetic number, because the mean of its divisors is an integer number (102564).

2^1142961 is an apocalyptic number.

It is an amenable number.

1142961 is a deficient number, since it is larger than the sum of its proper divisors (498063).

1142961 is a wasteful number, since it uses less digits than its factorization.

1142961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400.

The product of its digits is 432, while the sum is 24.

The square root of 1142961 is about 1069.0935412769. The cubic root of 1142961 is about 104.5547586610.

The spelling of 1142961 in words is "one million, one hundred forty-two thousand, nine hundred sixty-one".