1094519801 has 4 divisors (see below), whose sum is σ = 1115171172. Its totient is φ = 1073868432.

The previous prime is 1094519779. The next prime is 1094519819. The reversal of 1094519801 is 1089154901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 688537600 + 405982201 = 26240^2 + 20149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1094519801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1094519831) 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, 10325606 + ... + 10325711.

It is an arithmetic number, because the mean of its divisors is an integer number (278792793).

Almost surely, 2^1094519801 is an apocalyptic number.

It is an amenable number.

1094519801 is a deficient number, since it is larger than the sum of its proper divisors (20651371).

1094519801 is an equidigital number, since it uses as much as digits as its factorization.

1094519801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20651370.

The product of its (nonzero) digits is 12960, while the sum is 38.

The square root of 1094519801 is about 33083.5276383883. The cubic root of 1094519801 is about 1030.5629878498.

The spelling of 1094519801 in words is "one billion, ninety-four million, five hundred nineteen thousand, eight hundred one".