1180623 has 4 divisors (see below), whose sum is σ = 1574168. Its totient is φ = 787080.

The previous prime is 1180591. The next prime is 1180631. The reversal of 1180623 is 3260811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3260811 = 3 ⋅1086937.

It is not a de Polignac number, because 1180623 - 2⁵ = 1180591 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1180623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180643) 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, 196768 + ... + 196773.

It is an arithmetic number, because the mean of its divisors is an integer number (393542).

2^1180623 is an apocalyptic number.

1180623 is a deficient number, since it is larger than the sum of its proper divisors (393545).

1180623 is an equidigital number, since it uses as much as digits as its factorization.

1180623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393544.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1180623 is about 1086.5647702737. The cubic root of 1180623 is about 105.6907743637.

The spelling of 1180623 in words is "one million, one hundred eighty thousand, six hundred twenty-three".