1090874019 has 4 divisors (see below), whose sum is σ = 1454498696. Its totient is φ = 727249344.

The previous prime is 1090874017. The next prime is 1090874047. The reversal of 1090874019 is 9104780901.

It is a happy number.

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

It is not a de Polignac number, because 1090874019 - 2¹ = 1090874017 is a prime.

It is a super-2 number, since 2×1090874019² = 2380012250658424722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090874017) 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, 181812334 + ... + 181812339.

It is an arithmetic number, because the mean of its divisors is an integer number (363624674).

Almost surely, 2^1090874019 is an apocalyptic number.

1090874019 is a deficient number, since it is larger than the sum of its proper divisors (363624677).

1090874019 is an equidigital number, since it uses as much as digits as its factorization.

1090874019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363624676.

The product of its (nonzero) digits is 18144, while the sum is 39.

The square root of 1090874019 is about 33028.3820221336. The cubic root of 1090874019 is about 1029.4174664972.

The spelling of 1090874019 in words is "one billion, ninety million, eight hundred seventy-four thousand, nineteen".