1091414290 has 16 divisors (see below), whose sum is σ = 1972701720. Its totient is φ = 434753280.

The previous prime is 1091414287. The next prime is 1091414323. The reversal of 1091414290 is 924141901.

It can be written as a sum of positive squares in 4 ways, for example, as 1090254361 + 1159929 = 33019^2 + 1077^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224025 + ... + 228844.

Almost surely, 2^1091414290 is an apocalyptic number.

1091414290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1091414290 is a deficient number, since it is larger than the sum of its proper divisors (881287430).

1091414290 is a wasteful number, since it uses less digits than its factorization.

1091414290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453117.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1091414290 is about 33036.5598996021. The cubic root of 1091414290 is about 1029.5873830362.

The spelling of 1091414290 in words is "one billion, ninety-one million, four hundred fourteen thousand, two hundred ninety".