1173872 has 40 divisors (see below), whose sum is σ = 2666496. Its totient is φ = 490176.

The previous prime is 1173853. The next prime is 1173881. The reversal of 1173872 is 2783711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5153 + ... + 5375.

2^1173872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1173872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1333248).

1173872 is an abundant number, since it is smaller than the sum of its proper divisors (1492624).

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

1173872 is a wasteful number, since it uses less digits than its factorization.

1173872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285 (or 279 counting only the distinct ones).

The product of its digits is 2352, while the sum is 29.

The square root of 1173872 is about 1083.4537368988. The cubic root of 1173872 is about 105.4889366445.

The spelling of 1173872 in words is "one million, one hundred seventy-three thousand, eight hundred seventy-two".