1012322115 has 72 divisors (see below), whose sum is σ = 2130025248. Its totient is φ = 442632960.

The previous prime is 1012322093. The next prime is 1012322117. The reversal of 1012322115 is 5112232101.

It is not a de Polignac number, because 1012322115 - 2⁵ = 1012322083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012322117) 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 in 71 ways as a sum of consecutive naturals, for example, 40735 + ... + 60695.

It is an arithmetic number, because the mean of its divisors is an integer number (29583684).

Almost surely, 2^1012322115 is an apocalyptic number.

1012322115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1012322115 is an abundant number, since it is smaller than the sum of its proper divisors (1117703133).

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

1012322115 is a wasteful number, since it uses less digits than its factorization.

1012322115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20009 (or 19999 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1012322115 is about 31817.0098375067. The cubic root of 1012322115 is about 1004.0906157135.

Adding to 1012322115 its reverse (5112232101), we get a palindrome (6124554216).

The spelling of 1012322115 in words is "one billion, twelve million, three hundred twenty-two thousand, one hundred fifteen".