1194079887 has 96 divisors (see below), whose sum is σ = 2402050560. Its totient is φ = 572469120.

The previous prime is 1194079883. The next prime is 1194079903. The reversal of 1194079887 is 7889704911.

It is not a de Polignac number, because 1194079887 - 2² = 1194079883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1194079883) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 240789 + ... + 245697.

It is an arithmetic number, because the mean of its divisors is an integer number (25021360).

Almost surely, 2^1194079887 is an apocalyptic number.

1194079887 is an abundant number, since it is smaller than the sum of its proper divisors (1207970673).

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

1194079887 is a wasteful number, since it uses less digits than its factorization.

1194079887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 54.

The square root of 1194079887 is about 34555.4610300601. The cubic root of 1194079887 is about 1060.9081711958.

The spelling of 1194079887 in words is "one billion, one hundred ninety-four million, seventy-nine thousand, eight hundred eighty-seven".