1253055003 has 8 divisors (see below), whose sum is σ = 1673830416. Its totient is φ = 833824800.

The previous prime is 1253054981. The next prime is 1253055017. The reversal of 1253055003 is 3005503521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1253055003 - 2²⁵ = 1219500571 is a prime.

It is a super-4 number, since 4×1253055003⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1253055053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 384408 + ... + 387653.

It is an arithmetic number, because the mean of its divisors is an integer number (209228802).

Almost surely, 2^1253055003 is an apocalyptic number.

1253055003 is a deficient number, since it is larger than the sum of its proper divisors (420775413).

1253055003 is an equidigital number, since it uses as much as digits as its factorization.

1253055003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772605.

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 1253055003 is about 35398.5169604604. The cubic root of 1253055003 is about 1078.0942049797.

Adding to 1253055003 its reverse (3005503521), we get a palindrome (4258558524).

The spelling of 1253055003 in words is "one billion, two hundred fifty-three million, fifty-five thousand, three".