1012159488 has 88 divisors (see below), whose sum is σ = 2839925920. Its totient is φ = 319610880.

The previous prime is 1012159483. The next prime is 1012159529. The reversal of 1012159488 is 8849512101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012159483) 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, 49698 + ... + 67038.

Almost surely, 2^1012159488 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 1012159488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419962960).

1012159488 is an abundant number, since it is smaller than the sum of its proper divisors (1827766432).

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

1012159488 is a wasteful number, since it uses less digits than its factorization.

1012159488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17383 (or 17365 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 39.

The square root of 1012159488 is about 31814.4540735811. The cubic root of 1012159488 is about 1004.0368446239.

The spelling of 1012159488 in words is "one billion, twelve million, one hundred fifty-nine thousand, four hundred eighty-eight".