1151312 has 20 divisors (see below), whose sum is σ = 2279616. Its totient is φ = 563040.

The previous prime is 1151303. The next prime is 1151317. The reversal of 1151312 is 2131511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151317) by changing a digit.

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, 14 + ... + 1517.

2^1151312 is an apocalyptic number.

It is an amenable number.

1151312 is a deficient number, since it is larger than the sum of its proper divisors (1128304).

1151312 is a wasteful number, since it uses less digits than its factorization.

1151312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586 (or 1580 counting only the distinct ones).

The product of its digits is 30, while the sum is 14.

The square root of 1151312 is about 1072.9920782559. The cubic root of 1151312 is about 104.8087827459.

Adding to 1151312 its reverse (2131511), we get a palindrome (3282823).

The spelling of 1151312 in words is "one million, one hundred fifty-one thousand, three hundred twelve".