1200385761 has 8 divisors (see below), whose sum is σ = 1607565984. Its totient is φ = 796731360.

The previous prime is 1200385727. The next prime is 1200385763. The reversal of 1200385761 is 1675830021.

1200385761 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.

It is not a de Polignac number, because 1200385761 - 2¹⁴ = 1200369377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1200385763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 880660 + ... + 882021.

It is an arithmetic number, because the mean of its divisors is an integer number (200945748).

Almost surely, 2^1200385761 is an apocalyptic number.

It is an amenable number.

1200385761 is a deficient number, since it is larger than the sum of its proper divisors (407180223).

1200385761 is a wasteful number, since it uses less digits than its factorization.

1200385761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762911.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 1200385761 is about 34646.5836843981. The cubic root of 1200385761 is about 1062.7724270475.

The spelling of 1200385761 in words is "one billion, two hundred million, three hundred eighty-five thousand, seven hundred sixty-one".