1013512215 has 16 divisors (see below), whose sum is σ = 1630583136. Its totient is φ = 537552000.

The previous prime is 1013512211. The next prime is 1013512219. The reversal of 1013512215 is 5122153101.

It is an interprime number because it is at equal distance from previous prime (1013512211) and next prime (1013512219).

It is not a de Polignac number, because 1013512215 - 2² = 1013512211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013512191 and 1013512200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013512211) 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, 183936 + ... + 189365.

It is an arithmetic number, because the mean of its divisors is an integer number (101911446).

Almost surely, 2^1013512215 is an apocalyptic number.

1013512215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1013512215 is a deficient number, since it is larger than the sum of its proper divisors (617070921).

1013512215 is a wasteful number, since it uses less digits than its factorization.

1013512215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373490.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1013512215 is about 31835.7066043774. The cubic root of 1013512215 is about 1004.4839359343.

Adding to 1013512215 its reverse (5122153101), we get a palindrome (6135665316).

The spelling of 1013512215 in words is "one billion, thirteen million, five hundred twelve thousand, two hundred fifteen".