1195557648 has 80 divisors (see below), whose sum is σ = 3170600640. Its totient is φ = 388067328.

The previous prime is 1195557619. The next prime is 1195557709. The reversal of 1195557648 is 8467555911.

It is a self number, because there is not a number n which added to its sum of digits gives 1195557648.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 284136 + ... + 288312.

It is an arithmetic number, because the mean of its divisors is an integer number (39632508).

Almost surely, 2^1195557648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1195557648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1585300320).

1195557648 is an abundant number, since it is smaller than the sum of its proper divisors (1975042992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1195557648 is a wasteful number, since it uses less digits than its factorization.

1195557648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344 (or 4338 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 51.

The square root of 1195557648 is about 34576.8368709458. The cubic root of 1195557648 is about 1061.3456412061.

The spelling of 1195557648 in words is "one billion, one hundred ninety-five million, five hundred fifty-seven thousand, six hundred forty-eight".