1187348368 has 40 divisors (see below), whose sum is σ = 2324288736. Its totient is φ = 587558400.

The previous prime is 1187348321. The next prime is 1187348401. The reversal of 1187348368 is 8638437811.

It is a happy number.

It is a super-2 number, since 2×1187348368² = 2819592293984526848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1347288 + ... + 1348168.

Almost surely, 2^1187348368 is an apocalyptic number.

It is an amenable number.

1187348368 is a deficient number, since it is larger than the sum of its proper divisors (1136940368).

1187348368 is a wasteful number, since it uses less digits than its factorization.

1187348368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663 (or 1657 counting only the distinct ones).

The product of its digits is 774144, while the sum is 49.

The square root of 1187348368 is about 34457.9217016929. The cubic root of 1187348368 is about 1058.9108214152.

The spelling of 1187348368 in words is "one billion, one hundred eighty-seven million, three hundred forty-eight thousand, three hundred sixty-eight".