1200523 has 4 divisors (see below), whose sum is σ = 1271160. Its totient is φ = 1129888.

The previous prime is 1200509. The next prime is 1200527. The reversal of 1200523 is 3250021.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1200523 - 2⁵ = 1200491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200527) 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, 35293 + ... + 35326.

It is an arithmetic number, because the mean of its divisors is an integer number (317790).

2^1200523 is an apocalyptic number.

1200523 is a deficient number, since it is larger than the sum of its proper divisors (70637).

1200523 is an equidigital number, since it uses as much as digits as its factorization.

1200523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70636.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 1200523 is about 1095.6838047539. The cubic root of 1200523 is about 106.2812927435.

Adding to 1200523 its reverse (3250021), we get a palindrome (4450544).

The spelling of 1200523 in words is "one million, two hundred thousand, five hundred twenty-three".