1012131115 has 16 divisors (see below), whose sum is σ = 1255364352. Its totient is φ = 782780544.

The previous prime is 1012131103. The next prime is 1012131143. The reversal of 1012131115 is 5111312101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1012131115 - 2²¹ = 1010033963 is a prime.

It is a super-2 number, since 2×1012131115² = 2048818787902286450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11622 + ... + 46468.

It is an arithmetic number, because the mean of its divisors is an integer number (78460272).

Almost surely, 2^1012131115 is an apocalyptic number.

1012131115 is a deficient number, since it is larger than the sum of its proper divisors (243233237).

1012131115 is a wasteful number, since it uses less digits than its factorization.

1012131115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35046.

The product of its (nonzero) digits is 30, while the sum is 16.

The square root of 1012131115 is about 31814.0081567853. The cubic root of 1012131115 is about 1004.0274627679.

Adding to 1012131115 its reverse (5111312101), we get a palindrome (6123443216).

The spelling of 1012131115 in words is "one billion, twelve million, one hundred thirty-one thousand, one hundred fifteen".