1172272 has 20 divisors (see below), whose sum is σ = 2327976. Its totient is φ = 571520.

The previous prime is 1172261. The next prime is 1172273. The reversal of 1172272 is 2722711.

It is not an unprimeable number, because it can be changed into a prime (1172273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238 + ... + 1549.

2^1172272 is an apocalyptic number.

It is an amenable number.

1172272 is a deficient number, since it is larger than the sum of its proper divisors (1155704).

1172272 is a wasteful number, since it uses less digits than its factorization.

1172272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836 (or 1830 counting only the distinct ones).

The product of its digits is 392, while the sum is 22.

The square root of 1172272 is about 1082.7151056488. The cubic root of 1172272 is about 105.4409873392.

Adding to 1172272 its reverse (2722711), we get a palindrome (3894983).

It can be divided in two parts, 1172 and 272, that added together give a square (1444 = 38²).

The spelling of 1172272 in words is "one million, one hundred seventy-two thousand, two hundred seventy-two".