1171442 has 4 divisors (see below), whose sum is σ = 1757166. Its totient is φ = 585720.

The previous prime is 1171427. The next prime is 1171447. The reversal of 1171442 is 2441711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2441711 = 1063 ⋅2297.

It can be written as a sum of positive squares in only one way, i.e., 654481 + 516961 = 809^2 + 719^2 .

It is not an unprimeable number, because it can be changed into a prime (1171447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 292859 + ... + 292862.

2^1171442 is an apocalyptic number.

1171442 is a deficient number, since it is larger than the sum of its proper divisors (585724).

1171442 is an equidigital number, since it uses as much as digits as its factorization.

1171442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585723.

The product of its digits is 224, while the sum is 20.

The square root of 1171442 is about 1082.3317421198. The cubic root of 1171442 is about 105.4160964486.

The spelling of 1171442 in words is "one million, one hundred seventy-one thousand, four hundred forty-two".