1248023 has 4 divisors (see below), whose sum is σ = 1426320. Its totient is φ = 1069728.

The previous prime is 1248019. The next prime is 1248031. The reversal of 1248023 is 3208421.

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

It is a cyclic number.

It is not a de Polignac number, because 1248023 - 2² = 1248019 is a prime.

It is a super-2 number, since 2×1248023² = 3115122817058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1247986 and 1248004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248083) 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, 89138 + ... + 89151.

It is an arithmetic number, because the mean of its divisors is an integer number (356580).

2^1248023 is an apocalyptic number.

1248023 is a deficient number, since it is larger than the sum of its proper divisors (178297).

1248023 is an equidigital number, since it uses as much as digits as its factorization.

1248023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178296.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1248023 is about 1117.1494976054. The cubic root of 1248023 is about 107.6649136367.

The spelling of 1248023 in words is "one million, two hundred forty-eight thousand, twenty-three".