1201039 has 12 divisors (see below), whose sum is σ = 1415424. Its totient is φ = 1016064.

The previous prime is 1201027. The next prime is 1201043. The reversal of 1201039 is 9301021.

It is not a de Polignac number, because 1201039 - 2⁹ = 1200527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6127 + ... + 6319.

It is an arithmetic number, because the mean of its divisors is an integer number (117952).

2^1201039 is an apocalyptic number.

1201039 is a deficient number, since it is larger than the sum of its proper divisors (214385).

1201039 is a wasteful number, since it uses less digits than its factorization.

1201039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 327 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1201039 is about 1095.9192488500. The cubic root of 1201039 is about 106.2965175780.

The spelling of 1201039 in words is "one million, two hundred one thousand, thirty-nine".