1012115264 has 56 divisors (see below), whose sum is σ = 2162738880. Its totient is φ = 468187136.

The previous prime is 1012115263. The next prime is 1012115287. The reversal of 1012115264 is 4625112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012115263) 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, 56309 + ... + 72075.

Almost surely, 2^1012115264 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 1012115264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1081369440).

1012115264 is an abundant number, since it is smaller than the sum of its proper divisors (1150623616).

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

1012115264 is a wasteful number, since it uses less digits than its factorization.

1012115264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15855 (or 15845 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1012115264 is about 31813.7590359894. The cubic root of 1012115264 is about 1004.0222213777.

Adding to 1012115264 its reverse (4625112101), we get a palindrome (5637227365).

The spelling of 1012115264 in words is "one billion, twelve million, one hundred fifteen thousand, two hundred sixty-four".