1082105690 has 8 divisors (see below), whose sum is σ = 1947790260. Its totient is φ = 432842272.

The previous prime is 1082105627. The next prime is 1082105711. The reversal of 1082105690 is 965012801.

It can be written as a sum of positive squares in 2 ways, for example, as 1028420761 + 53684929 = 32069^2 + 7327^2 .

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

It is a super-2 number, since 2×1082105690² = 2341905448660752200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54105275 + ... + 54105294.

Almost surely, 2^1082105690 is an apocalyptic number.

1082105690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1082105690 is a deficient number, since it is larger than the sum of its proper divisors (865684570).

1082105690 is a wasteful number, since it uses less digits than its factorization.

1082105690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108210576.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1082105690 is about 32895.3749028644. The cubic root of 1082105690 is about 1026.6519275774.

The spelling of 1082105690 in words is "one billion, eighty-two million, one hundred five thousand, six hundred ninety".