1253035103 has 8 divisors (see below), whose sum is σ = 1296719280. Its totient is φ = 1209382720.

The previous prime is 1253035079. The next prime is 1253035151. The reversal of 1253035103 is 3015303521.

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 1253035103 - 2¹⁶ = 1252969567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253032103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95051 + ... + 107427.

It is an arithmetic number, because the mean of its divisors is an integer number (162089910).

Almost surely, 2^1253035103 is an apocalyptic number.

1253035103 is a deficient number, since it is larger than the sum of its proper divisors (43684177).

1253035103 is a wasteful number, since it uses less digits than its factorization.

1253035103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15897.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 1253035103 is about 35398.2358741223. The cubic root of 1253035103 is about 1078.0884978111.

Adding to 1253035103 its reverse (3015303521), we get a palindrome (4268338624).

The spelling of 1253035103 in words is "one billion, two hundred fifty-three million, thirty-five thousand, one hundred three".