1172488 has 16 divisors (see below), whose sum is σ = 2219580. Its totient is φ = 580608.

The previous prime is 1172467. The next prime is 1172491. The reversal of 1172488 is 8842711.

It can be written as a sum of positive squares in 2 ways, for example, as 1170724 + 1764 = 1082^2 + 42^2 .

It is a super-2 number, since 2×1172488² = 2749456220288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256 + ... + 1552.

2^1172488 is an apocalyptic number.

It is an amenable number.

1172488 is a deficient number, since it is larger than the sum of its proper divisors (1047092).

1172488 is a wasteful number, since it uses less digits than its factorization.

1172488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1412 counting only the distinct ones).

The product of its digits is 3584, while the sum is 31.

The square root of 1172488 is about 1082.8148502860. The cubic root of 1172488 is about 105.4474630418.

The spelling of 1172488 in words is "one million, one hundred seventy-two thousand, four hundred eighty-eight".