1253008203947 has 8 divisors (see below), whose sum is σ = 1257713948160. Its totient is φ = 1248302813760.

The previous prime is 1253008203913. The next prime is 1253008204027. The reversal of 1253008203947 is 7493028003521.

It is a happy number.

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 1253008203947 - 2²⁶ = 1252941095083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1253008203898 and 1253008203907.

It is not an unprimeable number, because it can be changed into a prime (1253008203647) 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, 8598422 + ... + 8742932.

It is an arithmetic number, because the mean of its divisors is an integer number (157214243520).

Almost surely, 2^{1253008203947} is an apocalyptic number.

1253008203947 is a deficient number, since it is larger than the sum of its proper divisors (4705744213).

1253008203947 is a wasteful number, since it uses less digits than its factorization.

1253008203947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177013.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 1253008203947 in words is "one trillion, two hundred fifty-three billion, eight million, two hundred three thousand, nine hundred forty-seven".