1055199 has 4 divisors (see below), whose sum is σ = 1406936. Its totient is φ = 703464.

The previous prime is 1055191. The next prime is 1055231. The reversal of 1055199 is 9915501.

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

It is not a de Polignac number, because 1055199 - 2³ = 1055191 is a prime.

It is a super-2 number, since 2×1055199² = 2226889859202, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175864 + ... + 175869.

It is an arithmetic number, because the mean of its divisors is an integer number (351734).

2^1055199 is an apocalyptic number.

1055199 is a deficient number, since it is larger than the sum of its proper divisors (351737).

1055199 is an equidigital number, since it uses as much as digits as its factorization.

1055199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351736.

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 1055199 is about 1027.2287963253. The cubic root of 1055199 is about 101.8071133657.

The spelling of 1055199 in words is "one million, fifty-five thousand, one hundred ninety-nine".