1204283778 has 8 divisors (see below), whose sum is σ = 2408567568. Its totient is φ = 401427924.

The previous prime is 1204283771. The next prime is 1204283779. The reversal of 1204283778 is 8773824021.

1204283778 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

1204283778 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1204283771) 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, 100356976 + ... + 100356987.

It is an arithmetic number, because the mean of its divisors is an integer number (301070946).

Almost surely, 2^1204283778 is an apocalyptic number.

1204283778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1204283778 is a wasteful number, since it uses less digits than its factorization.

1204283778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200713968.

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 1204283778 is about 34702.7920778718. The cubic root of 1204283778 is about 1063.9215656515.

The spelling of 1204283778 in words is "one billion, two hundred four million, two hundred eighty-three thousand, seven hundred seventy-eight".