1090212093 has 6 divisors (see below), whose sum is σ = 1574750814. Its totient is φ = 726808056.

The previous prime is 1090212083. The next prime is 1090212127. The reversal of 1090212093 is 3902120901.

It can be written as a sum of positive squares in only one way, i.e., 990172089 + 100040004 = 31467^2 + 10002^2 .

It is not a de Polignac number, because 1090212093 - 2²¹ = 1088114941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090212043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60567330 + ... + 60567347.

It is an arithmetic number, because the mean of its divisors is an integer number (262458469).

Almost surely, 2^1090212093 is an apocalyptic number.

It is an amenable number.

1090212093 is a deficient number, since it is larger than the sum of its proper divisors (484538721).

1090212093 is a wasteful number, since it uses less digits than its factorization.

1090212093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121134683 (or 121134680 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 1090212093 is about 33018.3599380708. The cubic root of 1090212093 is about 1029.2092126747.

Adding to 1090212093 its reverse (3902120901), we get a palindrome (4992332994).

The spelling of 1090212093 in words is "one billion, ninety million, two hundred twelve thousand, ninety-three".