1230982251 has 8 divisors (see below), whose sum is σ = 1641788880. Its totient is φ = 820415232.

The previous prime is 1230982211. The next prime is 1230982273. The reversal of 1230982251 is 1522890321.

It is a happy number.

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

It is not a de Polignac number, because 1230982251 - 2¹¹ = 1230980203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1230982211) 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 7 ways as a sum of consecutive naturals, for example, 47550 + ... + 68723.

It is an arithmetic number, because the mean of its divisors is an integer number (205223610).

Almost surely, 2^1230982251 is an apocalyptic number.

1230982251 is a deficient number, since it is larger than the sum of its proper divisors (410806629).

1230982251 is a wasteful number, since it uses less digits than its factorization.

1230982251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119805.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1230982251 is about 35085.3566463275. The cubic root of 1230982251 is about 1071.7264036298.

The spelling of 1230982251 in words is "one billion, two hundred thirty million, nine hundred eighty-two thousand, two hundred fifty-one".