1101668387 has 4 divisors (see below), whose sum is σ = 1105733856. Its totient is φ = 1097602920.

The previous prime is 1101668383. The next prime is 1101668423. The reversal of 1101668387 is 7838661011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7838661011 = 37 ⋅211855703.

It is a cyclic number.

It is not a de Polignac number, because 1101668387 - 2² = 1101668383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101668383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2032328 + ... + 2032869.

It is an arithmetic number, because the mean of its divisors is an integer number (276433464).

Almost surely, 2^1101668387 is an apocalyptic number.

1101668387 is a deficient number, since it is larger than the sum of its proper divisors (4065469).

1101668387 is an equidigital number, since it uses as much as digits as its factorization.

1101668387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4065468.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 1101668387 is about 33191.3902541005. The cubic root of 1101668387 is about 1032.8017435596.

The spelling of 1101668387 in words is "one billion, one hundred one million, six hundred sixty-eight thousand, three hundred eighty-seven".