1195967887 has 8 divisors (see below), whose sum is σ = 1202395392. Its totient is φ = 1189551000.

The previous prime is 1195967873. The next prime is 1195967893. The reversal of 1195967887 is 7887695911.

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 1195967887 - 2¹¹ = 1195965839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195967837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327562 + ... + 331192.

It is an arithmetic number, because the mean of its divisors is an integer number (150299424).

Almost surely, 2^1195967887 is an apocalyptic number.

1195967887 is a deficient number, since it is larger than the sum of its proper divisors (6427505).

1195967887 is a wasteful number, since it uses less digits than its factorization.

1195967887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309.

The product of its digits is 7620480, while the sum is 61.

The square root of 1195967887 is about 34582.7686427793. The cubic root of 1195967887 is about 1061.4670226618.

The spelling of 1195967887 in words is "one billion, one hundred ninety-five million, nine hundred sixty-seven thousand, eight hundred eighty-seven".