1201573 has 4 divisors (see below), whose sum is σ = 1205280. Its totient is φ = 1197868.

The previous prime is 1201567. The next prime is 1201583. The reversal of 1201573 is 3751021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1201573 - 2⁹ = 1201061 is a prime.

It is a Duffinian number.

1201573 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1315 + ... + 2032.

It is an arithmetic number, because the mean of its divisors is an integer number (301320).

2^1201573 is an apocalyptic number.

It is an amenable number.

1201573 is a deficient number, since it is larger than the sum of its proper divisors (3707).

1201573 is an equidigital number, since it uses as much as digits as its factorization.

1201573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1201573 is about 1096.1628528645. The cubic root of 1201573 is about 106.3122689205.

Adding to 1201573 its reverse (3751021), we get a palindrome (4952594).

The spelling of 1201573 in words is "one million, two hundred one thousand, five hundred seventy-three".