1012667217 has 16 divisors (see below), whose sum is σ = 1380368640. Its totient is φ = 660068352.

The previous prime is 1012667191. The next prime is 1012667221. The reversal of 1012667217 is 7127662101.

It is not a de Polignac number, because 1012667217 - 2²⁴ = 995890001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012667017) 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, 159459 + ... + 165687.

It is an arithmetic number, because the mean of its divisors is an integer number (86273040).

Almost surely, 2^1012667217 is an apocalyptic number.

It is an amenable number.

1012667217 is a deficient number, since it is larger than the sum of its proper divisors (367701423).

1012667217 is a wasteful number, since it uses less digits than its factorization.

1012667217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7432.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 1012667217 is about 31822.4326065749. The cubic root of 1012667217 is about 1004.2047013740.

The spelling of 1012667217 in words is "one billion, twelve million, six hundred sixty-seven thousand, two hundred seventeen".