1191472 has 20 divisors (see below), whose sum is σ = 2332440. Its totient is φ = 589568.

The previous prime is 1191457. The next prime is 1191481. The reversal of 1191472 is 2741911.

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, 1479 + ... + 2137.

It is an arithmetic number, because the mean of its divisors is an integer number (116622).

2^1191472 is an apocalyptic number.

It is an amenable number.

1191472 is a deficient number, since it is larger than the sum of its proper divisors (1140968).

1191472 is a wasteful number, since it uses less digits than its factorization.

1191472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 774 counting only the distinct ones).

The product of its digits is 504, while the sum is 25.

The square root of 1191472 is about 1091.5456930427. The cubic root of 1191472 is about 106.0135262198.

The spelling of 1191472 in words is "one million, one hundred ninety-one thousand, four hundred seventy-two".