1056002003 has 8 divisors (see below), whose sum is σ = 1207513440. Its totient is φ = 904654080.

The previous prime is 1056001993. The next prime is 1056002023. The reversal of 1056002003 is 3002006501.

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 1056002003 - 2⁴ = 1056001987 is a prime.

It is a super-2 number, since 2×1056002003² = 2230280460680024018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056002023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26708 + ... + 53153.

It is an arithmetic number, because the mean of its divisors is an integer number (150939180).

Almost surely, 2^1056002003 is an apocalyptic number.

1056002003 is a deficient number, since it is larger than the sum of its proper divisors (151511437).

1056002003 is an equidigital number, since it uses as much as digits as its factorization.

1056002003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81757.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1056002003 is about 32496.1844375613. The cubic root of 1056002003 is about 1018.3293177801.

Adding to 1056002003 its reverse (3002006501), we get a palindrome (4058008504).

The spelling of 1056002003 in words is "one billion, fifty-six million, two thousand, three".