1196261553 has 4 divisors (see below), whose sum is σ = 1595015408. Its totient is φ = 797507700.

The previous prime is 1196261543. The next prime is 1196261557. The reversal of 1196261553 is 3551626911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1196261553 - 2⁹ = 1196261041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1196261557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199376923 + ... + 199376928.

It is an arithmetic number, because the mean of its divisors is an integer number (398753852).

Almost surely, 2^1196261553 is an apocalyptic number.

It is an amenable number.

1196261553 is a deficient number, since it is larger than the sum of its proper divisors (398753855).

1196261553 is an equidigital number, since it uses as much as digits as its factorization.

1196261553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398753854.

The product of its digits is 48600, while the sum is 39.

The square root of 1196261553 is about 34587.0142249949. The cubic root of 1196261553 is about 1061.5538954694.

The spelling of 1196261553 in words is "one billion, one hundred ninety-six million, two hundred sixty-one thousand, five hundred fifty-three".