1201383 has 12 divisors (see below), whose sum is σ = 1795560. Its totient is φ = 773136.

The previous prime is 1201381. The next prime is 1201439. The reversal of 1201383 is 3831021.

It is not a de Polignac number, because 1201383 - 2¹ = 1201381 is a prime.

It is a super-2 number, since 2×1201383² = 2886642225378, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201381) 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, 2041 + ... + 2562.

It is an arithmetic number, because the mean of its divisors is an integer number (149630).

2^1201383 is an apocalyptic number.

1201383 is a deficient number, since it is larger than the sum of its proper divisors (594177).

1201383 is a wasteful number, since it uses less digits than its factorization.

1201383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638 (or 4635 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1201383 is about 1096.0761834836. The cubic root of 1201383 is about 106.3066650452.

The spelling of 1201383 in words is "one million, two hundred one thousand, three hundred eighty-three".