1172424 has 32 divisors (see below), whose sum is σ = 3198240. Its totient is φ = 355200.

The previous prime is 1172417. The next prime is 1172429. The reversal of 1172424 is 4242711.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1172424.

It is not an unprimeable number, because it can be changed into a prime (1172429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957 + ... + 2484.

It is an arithmetic number, because the mean of its divisors is an integer number (99945).

2^1172424 is an apocalyptic number.

It is an amenable number.

1172424 is an abundant number, since it is smaller than the sum of its proper divisors (2025816).

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

1172424 is a wasteful number, since it uses less digits than its factorization.

1172424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461 (or 4457 counting only the distinct ones).

The product of its digits is 448, while the sum is 21.

The square root of 1172424 is about 1082.7852972774. The cubic root of 1172424 is about 105.4455443980.

It can be divided in two parts, 1172 and 424, that added together give a triangular number (1596 = T₅₆).

The spelling of 1172424 in words is "one million, one hundred seventy-two thousand, four hundred twenty-four".