1012199 has 4 divisors (see below), whose sum is σ = 1015464. Its totient is φ = 1008936.

The previous prime is 1012189. The next prime is 1012201. The reversal of 1012199 is 9912101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1012199 - 2⁴ = 1012183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112 + ... + 1805.

It is an arithmetic number, because the mean of its divisors is an integer number (253866).

2^1012199 is an apocalyptic number.

1012199 is a deficient number, since it is larger than the sum of its proper divisors (3265).

1012199 is an equidigital number, since it uses as much as digits as its factorization.

1012199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3264.

The product of its (nonzero) digits is 162, while the sum is 23.

The square root of 1012199 is about 1006.0810106547. The cubic root of 1012199 is about 100.4049909425.

The spelling of 1012199 in words is "one million, twelve thousand, one hundred ninety-nine".