1230440774 has 4 divisors (see below), whose sum is σ = 1845661164. Its totient is φ = 615220386.

The previous prime is 1230440767. The next prime is 1230440789. The reversal of 1230440774 is 4770440321.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1230440774.

It is a congruent 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, 307610192 + ... + 307610195.

It is an arithmetic number, because the mean of its divisors is an integer number (461415291).

Almost surely, 2^1230440774 is an apocalyptic number.

1230440774 is a deficient number, since it is larger than the sum of its proper divisors (615220390).

1230440774 is an equidigital number, since it uses as much as digits as its factorization.

1230440774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615220389.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 1230440774 is about 35077.6392307122. The cubic root of 1230440774 is about 1071.5692390819.

The spelling of 1230440774 in words is "one billion, two hundred thirty million, four hundred forty thousand, seven hundred seventy-four".