1200383893 has 2 divisors, whose sum is σ = 1200383894. Its totient is φ = 1200383892.

The previous prime is 1200383857. The next prime is 1200383917. The reversal of 1200383893 is 3983830021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1153145764 + 47238129 = 33958^2 + 6873^2 .

It is a cyclic number.

It is not a de Polignac number, because 1200383893 - 2⁹ = 1200383381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1200383813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600191946 + 600191947.

It is an arithmetic number, because the mean of its divisors is an integer number (600191947).

Almost surely, 2^1200383893 is an apocalyptic number.

It is an amenable number.

1200383893 is a deficient number, since it is larger than the sum of its proper divisors (1).

1200383893 is an equidigital number, since it uses as much as digits as its factorization.

1200383893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1200383893 is about 34646.5567264627. The cubic root of 1200383893 is about 1062.7718757636.

The spelling of 1200383893 in words is "one billion, two hundred million, three hundred eighty-three thousand, eight hundred ninety-three".