1045215 has 12 divisors (see below), whose sum is σ = 1811784. Its totient is φ = 557424.

The previous prime is 1045199. The next prime is 1045223. The reversal of 1045215 is 5125401.

It is not a de Polignac number, because 1045215 - 2⁴ = 1045199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11569 + ... + 11658.

It is an arithmetic number, because the mean of its divisors is an integer number (150982).

2^1045215 is an apocalyptic number.

1045215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1045215 is a deficient number, since it is larger than the sum of its proper divisors (766569).

1045215 is a wasteful number, since it uses less digits than its factorization.

1045215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23238 (or 23235 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1045215 is about 1022.3575695421. The cubic root of 1045215 is about 101.4850051053.

The spelling of 1045215 in words is "one million, forty-five thousand, two hundred fifteen".