1012516140 has 48 divisors (see below), whose sum is σ = 2870945280. Its totient is φ = 266585280.

The previous prime is 1012516139. The next prime is 1012516147. The reversal of 1012516140 is 416152101.

1012516140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1012516147) 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, 102066 + ... + 111545.

It is an arithmetic number, because the mean of its divisors is an integer number (59811360).

Almost surely, 2^1012516140 is an apocalyptic number.

1012516140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012516140 is an abundant number, since it is smaller than the sum of its proper divisors (1858429140).

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

1012516140 is a wasteful number, since it uses less digits than its factorization.

1012516140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213702 (or 213700 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 1012516140 is about 31820.0587680161. The cubic root of 1012516140 is about 1004.1547607235.

Adding to 1012516140 its reverse (416152101), we get a palindrome (1428668241).

The spelling of 1012516140 in words is "one billion, twelve million, five hundred sixteen thousand, one hundred forty".