1203780664 has 16 divisors (see below), whose sum is σ = 2312140320. Its totient is φ = 587209920.

The previous prime is 1203780653. The next prime is 1203780667. The reversal of 1203780664 is 4660873021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203780667) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1834704 + ... + 1835359.

It is an arithmetic number, because the mean of its divisors is an integer number (144508770).

Almost surely, 2^1203780664 is an apocalyptic number.

It is an amenable number.

1203780664 is a deficient number, since it is larger than the sum of its proper divisors (1108359656).

1203780664 is a wasteful number, since it uses less digits than its factorization.

1203780664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670110 (or 3670106 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1203780664 is about 34695.5424226225. The cubic root of 1203780664 is about 1063.7733867361.

The spelling of 1203780664 in words is "one billion, two hundred three million, seven hundred eighty thousand, six hundred sixty-four".