1232790778 has 8 divisors (see below), whose sum is σ = 1863747072. Its totient is φ = 611541756.

The previous prime is 1232790773. The next prime is 1232790787. The reversal of 1232790778 is 8770972321.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1232790773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2426500 + ... + 2427007.

It is an arithmetic number, because the mean of its divisors is an integer number (232968384).

Almost surely, 2^1232790778 is an apocalyptic number.

1232790778 is a deficient number, since it is larger than the sum of its proper divisors (630956294).

1232790778 is a wasteful number, since it uses less digits than its factorization.

1232790778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853636.

The product of its (nonzero) digits is 296352, while the sum is 46.

The square root of 1232790778 is about 35111.1204321366. The cubic root of 1232790778 is about 1072.2509976287.

The spelling of 1232790778 in words is "one billion, two hundred thirty-two million, seven hundred ninety thousand, seven hundred seventy-eight".