1283215215 has 16 divisors (see below), whose sum is σ = 2086803936. Its totient is φ = 673161600.

The previous prime is 1283215207. The next prime is 1283215223. The reversal of 1283215215 is 5125123821.

It is an interprime number because it is at equal distance from previous prime (1283215207) and next prime (1283215223).

It is not a de Polignac number, because 1283215215 - 2³ = 1283215207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700296 + ... + 702125.

It is an arithmetic number, because the mean of its divisors is an integer number (130425246).

Almost surely, 2^1283215215 is an apocalyptic number.

1283215215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1283215215 is a deficient number, since it is larger than the sum of its proper divisors (803588721).

1283215215 is a wasteful number, since it uses less digits than its factorization.

1283215215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402490.

The product of its digits is 4800, while the sum is 30.

The square root of 1283215215 is about 35821.9934537429. The cubic root of 1283215215 is about 1086.6753944477.

The spelling of 1283215215 in words is "one billion, two hundred eighty-three million, two hundred fifteen thousand, two hundred fifteen".