1081200371 has 8 divisors (see below), whose sum is σ = 1106423280. Its totient is φ = 1056156192.

The previous prime is 1081200343. The next prime is 1081200397. The reversal of 1081200371 is 1730021801.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1081200371 - 2²² = 1077006067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081200331) 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, 32405 + ... + 56678.

It is an arithmetic number, because the mean of its divisors is an integer number (138302910).

Almost surely, 2^1081200371 is an apocalyptic number.

1081200371 is a deficient number, since it is larger than the sum of its proper divisors (25222909).

1081200371 is an equidigital number, since it uses as much as digits as its factorization.

1081200371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89365.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1081200371 is about 32881.6114416553. The cubic root of 1081200371 is about 1026.3655394036.

The spelling of 1081200371 in words is "one billion, eighty-one million, two hundred thousand, three hundred seventy-one".