1187071368 has 64 divisors (see below), whose sum is σ = 3405265920. Its totient is φ = 337800000.

The previous prime is 1187071351. The next prime is 1187071399. The reversal of 1187071368 is 8631707811.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 28093 + ... + 56243.

It is an arithmetic number, because the mean of its divisors is an integer number (53207280).

Almost surely, 2^1187071368 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 1187071368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1702632960).

1187071368 is an abundant number, since it is smaller than the sum of its proper divisors (2218194552).

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

1187071368 is a wasteful number, since it uses less digits than its factorization.

1187071368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28418 (or 28414 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 42.

The square root of 1187071368 is about 34453.9020721892. The cubic root of 1187071368 is about 1058.8284695354.

It can be divided in two parts, 11870 and 71368, that added together give a palindrome (83238).

The spelling of 1187071368 in words is "one billion, one hundred eighty-seven million, seventy-one thousand, three hundred sixty-eight".