1012115306 has 4 divisors (see below), whose sum is σ = 1518172962. Its totient is φ = 506057652.

The previous prime is 1012115297. The next prime is 1012115309. The reversal of 1012115306 is 6035112101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6035112101 = 19 ⋅317637479.

It can be written as a sum of positive squares in only one way, i.e., 958459681 + 53655625 = 30959^2 + 7325^2 .

It is not an unprimeable number, because it can be changed into a prime (1012115309) by changing a digit.

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 as a sum of consecutive naturals, namely, 253028825 + ... + 253028828.

Almost surely, 2^1012115306 is an apocalyptic number.

1012115306 is a deficient number, since it is larger than the sum of its proper divisors (506057656).

1012115306 is an equidigital number, since it uses as much as digits as its factorization.

1012115306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506057655.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1012115306 is about 31813.7596960812. The cubic root of 1012115306 is about 1004.0222352657.

Adding to 1012115306 its reverse (6035112101), we get a palindrome (7047227407).

The spelling of 1012115306 in words is "one billion, twelve million, one hundred fifteen thousand, three hundred six".