1151264 has 12 divisors (see below), whose sum is σ = 2266614. Its totient is φ = 575616.

The previous prime is 1151251. The next prime is 1151287. The reversal of 1151264 is 4621511.

It can be written as a sum of positive squares in only one way, i.e., 672400 + 478864 = 820^2 + 692^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17957 + ... + 18020.

2^1151264 is an apocalyptic number.

It is an amenable number.

1151264 is a deficient number, since it is larger than the sum of its proper divisors (1115350).

1151264 is an equidigital number, since it uses as much as digits as its factorization.

1151264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35987 (or 35979 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 1151264 is about 1072.9697106629. The cubic root of 1151264 is about 104.8073261782.

Adding to 1151264 its reverse (4621511), we get a palindrome (5772775).

The spelling of 1151264 in words is "one million, one hundred fifty-one thousand, two hundred sixty-four".