1156764 has 48 divisors (see below), whose sum is σ = 3161088. Its totient is φ = 322368.

The previous prime is 1156751. The next prime is 1156769. The reversal of 1156764 is 4676511.

1156764 is nontrivially palindromic in base 8.

1156764 is an esthetic number in base 8, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3802 + ... + 4094.

It is an arithmetic number, because the mean of its divisors is an integer number (65856).

2^1156764 is an apocalyptic number.

1156764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1580544).

1156764 is an abundant number, since it is smaller than the sum of its proper divisors (2004324).

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

1156764 is a wasteful number, since it uses less digits than its factorization.

1156764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 352 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 1156764 is about 1075.5296369696. The cubic root of 1156764 is about 104.9739617975.

The spelling of 1156764 in words is "one million, one hundred fifty-six thousand, seven hundred sixty-four".