1215113286 has 8 divisors (see below), whose sum is σ = 2430226584. Its totient is φ = 405037760.

The previous prime is 1215113281. The next prime is 1215113287. The reversal of 1215113286 is 6823115121.

It is a sphenic number, since it is the product of 3 distinct primes.

1215113286 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215113281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101259435 + ... + 101259446.

It is an arithmetic number, because the mean of its divisors is an integer number (303778323).

Almost surely, 2^1215113286 is an apocalyptic number.

1215113286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1215113286 is a wasteful number, since it uses less digits than its factorization.

1215113286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202518886.

The product of its digits is 2880, while the sum is 30.

The square root of 1215113286 is about 34858.4750957353. The cubic root of 1215113286 is about 1067.1011546139.

The spelling of 1215113286 in words is "one billion, two hundred fifteen million, one hundred thirteen thousand, two hundred eighty-six".