1156672 has 56 divisors (see below), whose sum is σ = 2633472. Its totient is φ = 499200.

The previous prime is 1156643. The next prime is 1156681. The reversal of 1156672 is 2766511.

It is a self number, because there is not a number n which added to its sum of digits gives 1156672.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 21798 + ... + 21850.

2^1156672 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 1156672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1316736).

1156672 is an abundant number, since it is smaller than the sum of its proper divisors (1476800).

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

1156672 is a wasteful number, since it uses less digits than its factorization.

1156672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 97 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 1156672 is about 1075.4868664935. The cubic root of 1156672 is about 104.9711787866.

The spelling of 1156672 in words is "one million, one hundred fifty-six thousand, six hundred seventy-two".