1195517253 has 32 divisors (see below), whose sum is σ = 1904947200. Its totient is φ = 653310768.

The previous prime is 1195517243. The next prime is 1195517269. The reversal of 1195517253 is 3527155911.

It is not a de Polignac number, because 1195517253 - 2²⁰ = 1194468677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195517203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253168 + ... + 257846.

It is an arithmetic number, because the mean of its divisors is an integer number (59529600).

Almost surely, 2^1195517253 is an apocalyptic number.

It is an amenable number.

1195517253 is a deficient number, since it is larger than the sum of its proper divisors (709429947).

1195517253 is an frugal number, since it uses more digits than its factorization.

1195517253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758 (or 4712 counting only the distinct ones).

The product of its digits is 47250, while the sum is 39.

The square root of 1195517253 is about 34576.2527321860. The cubic root of 1195517253 is about 1061.3336876378. Note that the first 3 decimals are identical.

The spelling of 1195517253 in words is "one billion, one hundred ninety-five million, five hundred seventeen thousand, two hundred fifty-three".