1055003143 has 4 divisors (see below), whose sum is σ = 1064339568. Its totient is φ = 1045666720.

The previous prime is 1055003141. The next prime is 1055003167. The reversal of 1055003143 is 3413005501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1055003143 - 2¹ = 1055003141 is a prime.

It is a super-2 number, since 2×1055003143² = 2226063263479756898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055003141) 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, 4668043 + ... + 4668268.

It is an arithmetic number, because the mean of its divisors is an integer number (266084892).

Almost surely, 2^1055003143 is an apocalyptic number.

1055003143 is a deficient number, since it is larger than the sum of its proper divisors (9336425).

1055003143 is an equidigital number, since it uses as much as digits as its factorization.

1055003143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336424.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1055003143 is about 32480.8119202707. The cubic root of 1055003143 is about 1018.0081412112.

Adding to 1055003143 its reverse (3413005501), we get a palindrome (4468008644).

The spelling of 1055003143 in words is "one billion, fifty-five million, three thousand, one hundred forty-three".