1249023 has 8 divisors (see below), whose sum is σ = 1673728. Its totient is φ = 828504.

The previous prime is 1249019. The next prime is 1249033. The reversal of 1249023 is 3209421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1249023 - 2² = 1249019 is a prime.

It is an Ulam number.

It is a Duffinian number.

1249023 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1249013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265 + ... + 1602.

It is an arithmetic number, because the mean of its divisors is an integer number (209216).

2^1249023 is an apocalyptic number.

1249023 is a deficient number, since it is larger than the sum of its proper divisors (424705).

1249023 is a wasteful number, since it uses less digits than its factorization.

1249023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1249023 is about 1117.5969756580. The cubic root of 1249023 is about 107.6936620840.

The spelling of 1249023 in words is "one million, two hundred forty-nine thousand, twenty-three".