1161872 has 10 divisors (see below), whose sum is σ = 2251158. Its totient is φ = 580928.

The previous prime is 1161871. The next prime is 1161877. The reversal of 1161872 is 2781611.

It can be written as a sum of positive squares in only one way, i.e., 1157776 + 4096 = 1076^2 + 64^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (1161871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36293 + ... + 36324.

2^1161872 is an apocalyptic number.

It is an amenable number.

1161872 is a deficient number, since it is larger than the sum of its proper divisors (1089286).

1161872 is an equidigital number, since it uses as much as digits as its factorization.

1161872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72625 (or 72619 counting only the distinct ones).

The product of its digits is 672, while the sum is 26.

The square root of 1161872 is about 1077.9016652738. The cubic root of 1161872 is about 105.1282484317.

The spelling of 1161872 in words is "one million, one hundred sixty-one thousand, eight hundred seventy-two".