1045215215 has 8 divisors (see below), whose sum is σ = 1368281808. Its totient is φ = 760156480.

The previous prime is 1045215203. The next prime is 1045215307. The reversal of 1045215215 is 5125125401.

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

It is not a de Polignac number, because 1045215215 - 2⁸ = 1045214959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9501902 + ... + 9502011.

It is an arithmetic number, because the mean of its divisors is an integer number (171035226).

Almost surely, 2^1045215215 is an apocalyptic number.

1045215215 is a deficient number, since it is larger than the sum of its proper divisors (323066593).

1045215215 is a wasteful number, since it uses less digits than its factorization.

1045215215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19003929.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1045215215 is about 32329.7883537768. The cubic root of 1045215215 is about 1014.8501206374.

The spelling of 1045215215 in words is "one billion, forty-five million, two hundred fifteen thousand, two hundred fifteen".