1152656 has 20 divisors (see below), whose sum is σ = 2271804. Its totient is φ = 566400.

The previous prime is 1152653. The next prime is 1152667. The reversal of 1152656 is 6562511.

It can be written as a sum of positive squares in 2 ways, for example, as 512656 + 640000 = 716^2 + 800^2 .

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152653) 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, 386 + ... + 1566.

2^1152656 is an apocalyptic number.

1152656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1152656 is a deficient number, since it is larger than the sum of its proper divisors (1119148).

1152656 is a wasteful number, since it uses less digits than its factorization.

1152656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1244 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 1152656 is about 1073.6181816642. The cubic root of 1152656 is about 104.8495502143.

The spelling of 1152656 in words is "one million, one hundred fifty-two thousand, six hundred fifty-six".