1248381 has 12 divisors (see below), whose sum is σ = 1834560. Its totient is φ = 817800.

The previous prime is 1248353. The next prime is 1248383. The reversal of 1248381 is 1838421.

It is not a de Polignac number, because 1248381 - 2⁵ = 1248349 is a prime.

It is a super-2 number, since 2×1248381² = 3116910242322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 645 + ... + 1706.

It is an arithmetic number, because the mean of its divisors is an integer number (152880).

2^1248381 is an apocalyptic number.

It is an amenable number.

1248381 is a deficient number, since it is larger than the sum of its proper divisors (586179).

1248381 is a wasteful number, since it uses less digits than its factorization.

1248381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416 (or 2413 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 1248381 is about 1117.3097153431. The cubic root of 1248381 is about 107.6752073450.

The spelling of 1248381 in words is "one million, two hundred forty-eight thousand, three hundred eighty-one".