1071267264 has 84 divisors (see below), whose sum is σ = 3080805624. Its totient is φ = 355901952.

The previous prime is 1071267203. The next prime is 1071267271. The reversal of 1071267264 is 4627621701.

It is a super-2 number, since 2×1071267264² = 2295227101836091392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179659 + ... + 185525.

Almost surely, 2^1071267264 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 1071267264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1540402812).

1071267264 is an abundant number, since it is smaller than the sum of its proper divisors (2009538360).

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

1071267264 is a wasteful number, since it uses less digits than its factorization.

1071267264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6202 (or 6189 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 1071267264 is about 32730.2194309785. The cubic root of 1071267264 is about 1023.2127534848.

Adding to 1071267264 its reverse (4627621701), we get a palindrome (5698888965).

The spelling of 1071267264 in words is "one billion, seventy-one million, two hundred sixty-seven thousand, two hundred sixty-four".