1173972 has 36 divisors (see below), whose sum is σ = 2901696. Its totient is φ = 369360.

The previous prime is 1173961. The next prime is 1173979. The reversal of 1173972 is 2793711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4197 + ... + 4467.

2^1173972 is an apocalyptic number.

1173972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is a pronic number, being equal to 1083×1084.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1173972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450848).

1173972 is an abundant number, since it is smaller than the sum of its proper divisors (1727724).

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

1173972 is a wasteful number, since it uses less digits than its factorization.

1173972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 295 counting only the distinct ones).

The product of its digits is 2646, while the sum is 30.

The square root of 1173972 is about 1083.4998846331. The cubic root of 1173972 is about 105.4919320290.

It can be divided in two parts, 11739 and 72, that added together give a palindrome (11811).

The spelling of 1173972 in words is "one million, one hundred seventy-three thousand, nine hundred seventy-two".