1136623 has 2 divisors, whose sum is σ = 1136624. Its totient is φ = 1136622.

The previous prime is 1136617. The next prime is 1136627. The reversal of 1136623 is 3266311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1136623 - 2⁹ = 1136111 is a prime.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1136594 and 1136603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1136627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 568311 + 568312.

It is an arithmetic number, because the mean of its divisors is an integer number (568312).

2^1136623 is an apocalyptic number.

1136623 is a deficient number, since it is larger than the sum of its proper divisors (1).

1136623 is an equidigital number, since it uses as much as digits as its factorization.

1136623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 22.

The square root of 1136623 is about 1066.1252271661. The cubic root of 1136623 is about 104.3611397088.

The spelling of 1136623 in words is "one million, one hundred thirty-six thousand, six hundred twenty-three".