1012999 has 8 divisors (see below), whose sum is σ = 1128960. Its totient is φ = 902496.

The previous prime is 1012997. The next prime is 1013003. The reversal of 1012999 is 9992101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012999 - 2¹ = 1012997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1012999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 967 + ... + 1720.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2^1012999 is an apocalyptic number.

1012999 is a deficient number, since it is larger than the sum of its proper divisors (115961).

1012999 is a wasteful number, since it uses less digits than its factorization.

1012999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2729.

The product of its (nonzero) digits is 1458, while the sum is 31.

The square root of 1012999 is about 1006.4785144254. The cubic root of 1012999 is about 100.4314359533.

The spelling of 1012999 in words is "one million, twelve thousand, nine hundred ninety-nine".