1230625282 has 4 divisors (see below), whose sum is σ = 1845937926. Its totient is φ = 615312640.

The previous prime is 1230625271. The next prime is 1230625367. The reversal of 1230625282 is 2825260321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2825260321 = 13 ⋅217327717.

It can be written as a sum of positive squares in only one way, i.e., 879774921 + 350850361 = 29661^2 + 18731^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 307656319 + ... + 307656322.

Almost surely, 2^1230625282 is an apocalyptic number.

1230625282 is a deficient number, since it is larger than the sum of its proper divisors (615312644).

1230625282 is an equidigital number, since it uses as much as digits as its factorization.

1230625282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615312643.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1230625282 is about 35080.2691266758. The cubic root of 1230625282 is about 1071.6227979960.

The spelling of 1230625282 in words is "one billion, two hundred thirty million, six hundred twenty-five thousand, two hundred eighty-two".