1173942 has 72 divisors (see below), whose sum is σ = 3254472. Its totient is φ = 304920.

The previous prime is 1173941. The next prime is 1173947. The reversal of 1173942 is 2493711.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173941) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 106717 + ... + 106727.

It is an arithmetic number, because the mean of its divisors is an integer number (45201).

2^1173942 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1173942, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1627236).

1173942 is an abundant number, since it is smaller than the sum of its proper divisors (2080530).

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

1173942 is a wasteful number, since it uses less digits than its factorization.

1173942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 23 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 1173942 is about 1083.4860405192. The cubic root of 1173942 is about 105.4910334315.

It can be divided in two parts, 11739 and 42, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 1173942 in words is "one million, one hundred seventy-three thousand, nine hundred forty-two".