1118860787 has 8 divisors (see below), whose sum is σ = 1221450240. Its totient is φ = 1016417160.

The previous prime is 1118860777. The next prime is 1118860807. The reversal of 1118860787 is 7870688111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1118860787 - 2¹² = 1118856691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1118860777) 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, 20087 + ... + 51392.

It is an arithmetic number, because the mean of its divisors is an integer number (152681280).

Almost surely, 2^1118860787 is an apocalyptic number.

1118860787 is a deficient number, since it is larger than the sum of its proper divisors (102589453).

1118860787 is a wasteful number, since it uses less digits than its factorization.

1118860787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72913.

The product of its (nonzero) digits is 150528, while the sum is 47.

The square root of 1118860787 is about 33449.3764814832. The cubic root of 1118860787 is about 1038.1465963507.

The spelling of 1118860787 in words is "one billion, one hundred eighteen million, eight hundred sixty thousand, seven hundred eighty-seven".