1380871101 has 4 divisors (see below), whose sum is σ = 1841161472. Its totient is φ = 920580732.

The previous prime is 1380871073. The next prime is 1380871111. The reversal of 1380871101 is 1011780831.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1380871101 - 2⁷ = 1380870973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380871111) 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, 230145181 + ... + 230145186.

It is an arithmetic number, because the mean of its divisors is an integer number (460290368).

Almost surely, 2^1380871101 is an apocalyptic number.

It is an amenable number.

1380871101 is a deficient number, since it is larger than the sum of its proper divisors (460290371).

1380871101 is an equidigital number, since it uses as much as digits as its factorization.

1380871101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460290370.

The product of its (nonzero) digits is 1344, while the sum is 30.

The square root of 1380871101 is about 37160.0740176873. The cubic root of 1380871101 is about 1113.5704903029.

The spelling of 1380871101 in words is "one billion, three hundred eighty million, eight hundred seventy-one thousand, one hundred one".