1210899082 has 8 divisors (see below), whose sum is σ = 1816842852. Its totient is φ = 605284800.

The previous prime is 1210899071. The next prime is 1210899083. The reversal of 1210899082 is 2809980121.

It can be written as a sum of positive squares in 2 ways, for example, as 1187560521 + 23338561 = 34461^2 + 4831^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1210899083) by changing a digit.

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, 72969 + ... + 88012.

Almost surely, 2^1210899082 is an apocalyptic number.

1210899082 is a deficient number, since it is larger than the sum of its proper divisors (605943770).

1210899082 is a wasteful number, since it uses less digits than its factorization.

1210899082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164744.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 1210899082 is about 34797.9752571899. The cubic root of 1210899082 is about 1065.8661008421.

The spelling of 1210899082 in words is "one billion, two hundred ten million, eight hundred ninety-nine thousand, eighty-two".