1173042 has 40 divisors (see below), whose sum is σ = 2835756. Its totient is φ = 360288.

The previous prime is 1173013. The next prime is 1173043. The reversal of 1173042 is 2403711.

It can be written as a sum of positive squares in 2 ways, for example, as 962361 + 210681 = 981^2 + 459^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1173043) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1828 + ... + 2384.

2^1173042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1173042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417878).

1173042 is an abundant number, since it is smaller than the sum of its proper divisors (1662714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1173042 is a wasteful number, since it uses less digits than its factorization.

1173042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1173042 is about 1083.0706348157. The cubic root of 1173042 is about 105.4640683848.

Adding to 1173042 its reverse (2403711), we get a palindrome (3576753).

The spelling of 1173042 in words is "one million, one hundred seventy-three thousand, forty-two".