1101380208 has 40 divisors (see below), whose sum is σ = 2968940928. Its totient is φ = 351164352.

The previous prime is 1101380177. The next prime is 1101380209. The reversal of 1101380208 is 8020831011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101380209) 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, 497710 + ... + 499917.

Almost surely, 2^1101380208 is an apocalyptic number.

It is an amenable number.

1101380208 is an abundant number, since it is smaller than the sum of its proper divisors (1867560720).

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

1101380208 is a wasteful number, since it uses less digits than its factorization.

1101380208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997661 (or 997655 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 1101380208 is about 33187.0487991927. The cubic root of 1101380208 is about 1032.7116808471.

The spelling of 1101380208 in words is "one billion, one hundred one million, three hundred eighty thousand, two hundred eight".