1172480 has 44 divisors (see below), whose sum is σ = 2824860. Its totient is φ = 466944.

The previous prime is 1172467. The next prime is 1172491. The reversal of 1172480 is 842711.

It can be written as a sum of positive squares in 2 ways, for example, as 802816 + 369664 = 896^2 + 608^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006 + ... + 5234.

2^1172480 is an apocalyptic number.

1172480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1412430).

1172480 is an abundant number, since it is smaller than the sum of its proper divisors (1652380).

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

1172480 is an equidigital number, since it uses as much as digits as its factorization.

1172480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 1172480 is about 1082.8111562041. The cubic root of 1172480 is about 105.4472232152.

The spelling of 1172480 in words is "one million, one hundred seventy-two thousand, four hundred eighty".