1055599 has 4 divisors (see below), whose sum is σ = 1058400. Its totient is φ = 1052800.

The previous prime is 1055597. The next prime is 1055603. The reversal of 1055599 is 9955501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9955501 = 79 ⋅126019.

It is a cyclic number.

It is not a de Polignac number, because 1055599 - 2¹ = 1055597 is a prime.

It is a super-2 number, since 2×1055599² = 2228578497602, which contains 22 as substring.

It is a Duffinian number.

1055599 is a Rhonda number in base 12.

1055599 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055591) 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, 727 + ... + 1624.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

2^1055599 is an apocalyptic number.

1055599 is a deficient number, since it is larger than the sum of its proper divisors (2801).

1055599 is an equidigital number, since it uses as much as digits as its factorization.

1055599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800.

The product of its (nonzero) digits is 10125, while the sum is 34.

The square root of 1055599 is about 1027.4234764692. The cubic root of 1055599 is about 101.8199759318.

The spelling of 1055599 in words is "one million, fifty-five thousand, five hundred ninety-nine".