1197523 has 4 divisors (see below), whose sum is σ = 1217880. Its totient is φ = 1177168.

The previous prime is 1197509. The next prime is 1197527. The reversal of 1197523 is 3257911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3257911 = 19 ⋅171469.

It is not a de Polignac number, because 1197523 - 2⁹ = 1197011 is a prime.

It is a super-2 number, since 2×1197523² = 2868122671058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1197491 and 1197500.

It is not an unprimeable number, because it can be changed into a prime (1197527) 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, 10090 + ... + 10207.

It is an arithmetic number, because the mean of its divisors is an integer number (304470).

2^1197523 is an apocalyptic number.

1197523 is a deficient number, since it is larger than the sum of its proper divisors (20357).

1197523 is an equidigital number, since it uses as much as digits as its factorization.

1197523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20356.

The product of its digits is 1890, while the sum is 28.

The square root of 1197523 is about 1094.3139403297. The cubic root of 1197523 is about 106.1926897388.

The spelling of 1197523 in words is "one million, one hundred ninety-seven thousand, five hundred twenty-three".