1248039 has 12 divisors (see below), whose sum is σ = 1941576. Its totient is φ = 767952.

The previous prime is 1248031. The next prime is 1248041. The reversal of 1248039 is 9308421.

It is not a de Polignac number, because 1248039 - 2³ = 1248031 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5217 + ... + 5450.

It is an arithmetic number, because the mean of its divisors is an integer number (161798).

2^1248039 is an apocalyptic number.

1248039 is a deficient number, since it is larger than the sum of its proper divisors (693537).

1248039 is a wasteful number, since it uses less digits than its factorization.

1248039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10686 (or 10683 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1248039 is about 1117.1566586652. The cubic root of 1248039 is about 107.6653737327.

The spelling of 1248039 in words is "one million, two hundred forty-eight thousand, thirty-nine".