1253988093 has 16 divisors (see below), whose sum is σ = 1694649600. Its totient is φ = 824678400.

The previous prime is 1253988019. The next prime is 1253988103. The reversal of 1253988093 is 3908893521.

It is a happy number.

It is not a de Polignac number, because 1253988093 - 2⁸ = 1253987837 is a prime.

It is a super-2 number, since 2×1253988093² = 3144972274771553298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253986093) 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, 446293 + ... + 449093.

It is an arithmetic number, because the mean of its divisors is an integer number (105915600).

Almost surely, 2^1253988093 is an apocalyptic number.

It is an amenable number.

1253988093 is a deficient number, since it is larger than the sum of its proper divisors (440661507).

1253988093 is a wasteful number, since it uses less digits than its factorization.

1253988093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4772.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 1253988093 is about 35411.6942972233. The cubic root of 1253988093 is about 1078.3617402770.

The spelling of 1253988093 in words is "one billion, two hundred fifty-three million, nine hundred eighty-eight thousand, ninety-three".