1253268203 has 16 divisors (see below), whose sum is σ = 1453684320. Its totient is φ = 1067827200.

The previous prime is 1253268199. The next prime is 1253268277. The reversal of 1253268203 is 3028623521.

It is not a de Polignac number, because 1253268203 - 2² = 1253268199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1253268203.

It is not an unprimeable number, because it can be changed into a prime (1253268283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31163 + ... + 58971.

It is an arithmetic number, because the mean of its divisors is an integer number (90855270).

Almost surely, 2^1253268203 is an apocalyptic number.

1253268203 is a deficient number, since it is larger than the sum of its proper divisors (200416117).

1253268203 is a wasteful number, since it uses less digits than its factorization.

1253268203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28078.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1253268203 is about 35401.5282579721. The cubic root of 1253268203 is about 1078.1553453258.

The spelling of 1253268203 in words is "one billion, two hundred fifty-three million, two hundred sixty-eight thousand, two hundred three".