1209828092 has 12 divisors (see below), whose sum is σ = 2309671896. Its totient is φ = 549921840.

The previous prime is 1209828079. The next prime is 1209828101. The reversal of 1209828092 is 2908289021.

1209828092 = 12294² + 12295² + ... + 12301².

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13748003 + ... + 13748090.

It is an arithmetic number, because the mean of its divisors is an integer number (192472658).

Almost surely, 2^1209828092 is an apocalyptic number.

It is an amenable number.

1209828092 is a deficient number, since it is larger than the sum of its proper divisors (1099843804).

1209828092 is a wasteful number, since it uses less digits than its factorization.

1209828092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27496108 (or 27496106 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 1209828092 is about 34782.5831703167. The cubic root of 1209828092 is about 1065.5517700379.

The spelling of 1209828092 in words is "one billion, two hundred nine million, eight hundred twenty-eight thousand, ninety-two".