1230472646 has 16 divisors (see below), whose sum is σ = 2051806848. Its totient is φ = 549590400.

The previous prime is 1230472613. The next prime is 1230472673. The reversal of 1230472646 is 6462740321.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 762515 + ... + 764126.

It is an arithmetic number, because the mean of its divisors is an integer number (128237928).

Almost surely, 2^1230472646 is an apocalyptic number.

1230472646 is a deficient number, since it is larger than the sum of its proper divisors (821334202).

1230472646 is a wasteful number, since it uses less digits than its factorization.

1230472646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526687.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 1230472646 is about 35078.0935342843. The cubic root of 1230472646 is about 1071.5784912568.

The spelling of 1230472646 in words is "one billion, two hundred thirty million, four hundred seventy-two thousand, six hundred forty-six".