1201001596 has 12 divisors (see below), whose sum is σ = 2102049880. Its totient is φ = 600415920.

The previous prime is 1201001591. The next prime is 1201001623. The reversal of 1201001596 is 6951001021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201001596.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201001591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19150 + ... + 52618.

Almost surely, 2^1201001596 is an apocalyptic number.

It is an amenable number.

1201001596 is a deficient number, since it is larger than the sum of its proper divisors (901048284).

1201001596 is a wasteful number, since it uses less digits than its factorization.

1201001596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42444 (or 42442 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 1201001596 is about 34655.4699290025. The cubic root of 1201001596 is about 1062.9541410114.

The spelling of 1201001596 in words is "one billion, two hundred one million, one thousand, five hundred ninety-six".