1020412199 has 4 divisors (see below), whose sum is σ = 1080436464. Its totient is φ = 960387936.

The previous prime is 1020412171. The next prime is 1020412201. The reversal of 1020412199 is 9912140201.

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

It is a de Polignac number, because none of the positive numbers 2^k-1020412199 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 (1020412699) 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, 30012107 + ... + 30012140.

It is an arithmetic number, because the mean of its divisors is an integer number (270109116).

Almost surely, 2^1020412199 is an apocalyptic number.

1020412199 is a deficient number, since it is larger than the sum of its proper divisors (60024265).

1020412199 is an equidigital number, since it uses as much as digits as its factorization.

1020412199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60024264.

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 1020412199 is about 31943.8914191743. The cubic root of 1020412199 is about 1006.7582889698.

The spelling of 1020412199 in words is "one billion, twenty million, four hundred twelve thousand, one hundred ninety-nine".