1055903 has 4 divisors (see below), whose sum is σ = 1061568. Its totient is φ = 1050240.

The previous prime is 1055897. The next prime is 1055911. The reversal of 1055903 is 3095501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3095501 = 23 ⋅134587.

It is a cyclic number.

It is not a de Polignac number, because 1055903 - 2⁶ = 1055839 is a prime.

It is a super-2 number, since 2×1055903² = 2229862290818, which contains 22 as substring.

It is an Ulam 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 (1055933) 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, 2543 + ... + 2928.

It is an arithmetic number, because the mean of its divisors is an integer number (265392).

2^1055903 is an apocalyptic number.

1055903 is a deficient number, since it is larger than the sum of its proper divisors (5665).

1055903 is an equidigital number, since it uses as much as digits as its factorization.

1055903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 1055903 is about 1027.5714087108. The cubic root of 1055903 is about 101.8297493090.

The spelling of 1055903 in words is "one million, fifty-five thousand, nine hundred three".