1156442 has 32 divisors (see below), whose sum is σ = 2166912. Its totient is φ = 451584.

The previous prime is 1156429. The next prime is 1156451. The reversal of 1156442 is 2446511.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10178 + ... + 10290.

It is an arithmetic number, because the mean of its divisors is an integer number (67716).

2^1156442 is an apocalyptic number.

1156442 is a deficient number, since it is larger than the sum of its proper divisors (1010470).

1156442 is a wasteful number, since it uses less digits than its factorization.

1156442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182.

The product of its digits is 960, while the sum is 23.

The square root of 1156442 is about 1075.3799328609. The cubic root of 1156442 is about 104.9642206136.

The spelling of 1156442 in words is "one million, one hundred fifty-six thousand, four hundred forty-two".