1230666046 has 4 divisors (see below), whose sum is σ = 1845999072. Its totient is φ = 615333022.

The previous prime is 1230665999. The next prime is 1230666049. The reversal of 1230666046 is 6406660321.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230666049) 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 as a sum of consecutive naturals, namely, 307666510 + ... + 307666513.

It is an arithmetic number, because the mean of its divisors is an integer number (461499768).

Almost surely, 2^1230666046 is an apocalyptic number.

1230666046 is a deficient number, since it is larger than the sum of its proper divisors (615333026).

1230666046 is an equidigital number, since it uses as much as digits as its factorization.

1230666046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615333025.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 1230666046 is about 35080.8501322303. The cubic root of 1230666046 is about 1071.6346302329.

The spelling of 1230666046 in words is "one billion, two hundred thirty million, six hundred sixty-six thousand, forty-six".