1146623 has 4 divisors (see below), whose sum is σ = 1149120.
Its totient is φ = 1144128.
The previous prime is 1146581. The next prime is 1146661. The reversal of 1146623 is 3266411.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3266411 = 727 ⋅4493.
It is a cyclic number.
It is not a de Polignac number, because 1146623 - 26 = 1146559 is a prime.
It is a Duffinian number.
It is a plaindrome in base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1146323) 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, 338 + ... + 1551.
It is an arithmetic number, because the mean of its divisors is an integer number (287280).
21146623 is an apocalyptic number.
1146623 is a deficient number, since it is larger than the sum of its proper divisors (2497).
1146623 is an equidigital number, since it uses as much as digits as its factorization.
1146623 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2496.
The product of its digits is 864, while the sum is 23.
The square root of 1146623 is about 1070.8048374937.
The cubic root of 1146623 is about 104.6663026660.
Note that the first 3 decimals are identical.
The spelling of 1146623 in words is "one million, one hundred forty-six thousand, six hundred twenty-three".