1151656 has 32 divisors (see below), whose sum is σ = 2462400. Its totient is φ = 499840.

The previous prime is 1151653. The next prime is 1151659. The reversal of 1151656 is 6561511.

It is an interprime number because it is at equal distance from previous prime (1151653) and next prime (1151659).

It is a self number, because there is not a number n which added to its sum of digits gives 1151656.

It is not an unprimeable number, because it can be changed into a prime (1151651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740 + ... + 2308.

It is an arithmetic number, because the mean of its divisors is an integer number (76950).

2^1151656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1231200).

1151656 is an abundant number, since it is smaller than the sum of its proper divisors (1310744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151656 is a wasteful number, since it uses less digits than its factorization.

1151656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 605 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 1151656 is about 1073.1523656965. The cubic root of 1151656 is about 104.8192202962.

It can be divided in two parts, 115 and 1656, that added together give a palindrome (1771).

The spelling of 1151656 in words is "one million, one hundred fifty-one thousand, six hundred fifty-six".