1011264 has 56 divisors (see below), whose sum is σ = 2804160. Its totient is φ = 321024.

The previous prime is 1011239. The next prime is 1011271. The reversal of 1011264 is 4621101.

1011264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4302 + ... + 4530.

2^1011264 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 1011264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1402080).

1011264 is an abundant number, since it is smaller than the sum of its proper divisors (1792896).

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

1011264 is a wasteful number, since it uses less digits than its factorization.

1011264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1011264 is about 1005.6162289860. The cubic root of 1011264 is about 100.3740656707.

Adding to 1011264 its reverse (4621101), we get a palindrome (5632365).

It can be divided in two parts, 1011 and 264, that added together give a triangular number (1275 = T₅₀).

The spelling of 1011264 in words is "one million, eleven thousand, two hundred sixty-four".