1197646255 has 8 divisors (see below), whose sum is σ = 1547727552. Its totient is φ = 884415648.

The previous prime is 1197646237. The next prime is 1197646297. The reversal of 1197646255 is 5526467911.

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 1197646255 - 2⁵ = 1197646223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9212599 + ... + 9212728.

It is an arithmetic number, because the mean of its divisors is an integer number (193465944).

Almost surely, 2^1197646255 is an apocalyptic number.

1197646255 is a deficient number, since it is larger than the sum of its proper divisors (350081297).

1197646255 is a wasteful number, since it uses less digits than its factorization.

1197646255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18425345.

The product of its digits is 453600, while the sum is 46.

The square root of 1197646255 is about 34607.0260929771. The cubic root of 1197646255 is about 1061.9633290643.

The spelling of 1197646255 in words is "one billion, one hundred ninety-seven million, six hundred forty-six thousand, two hundred fifty-five".