1050721199 has 8 divisors (see below), whose sum is σ = 1151000400. Its totient is φ = 951235200.

The previous prime is 1050721187. The next prime is 1050721207. The reversal of 1050721199 is 9911270501.

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 1050721199 - 2⁸ = 1050720943 is a prime.

It is a super-2 number, since 2×1050721199² = 2208030076055995202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050721129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195524 + ... + 200825.

It is an arithmetic number, because the mean of its divisors is an integer number (143875050).

Almost surely, 2^1050721199 is an apocalyptic number.

1050721199 is a deficient number, since it is larger than the sum of its proper divisors (100279201).

1050721199 is a wasteful number, since it uses less digits than its factorization.

1050721199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396601.

The product of its (nonzero) digits is 5670, while the sum is 35.

The square root of 1050721199 is about 32414.8299239715. The cubic root of 1050721199 is about 1016.6290095999.

The spelling of 1050721199 in words is "one billion, fifty million, seven hundred twenty-one thousand, one hundred ninety-nine".