1248891 has 8 divisors (see below), whose sum is σ = 1903104. Its totient is φ = 713640.

The previous prime is 1248881. The next prime is 1248893. The reversal of 1248891 is 1988421.

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

It is not a de Polignac number, because 1248891 - 2⁵ = 1248859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1248893) 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, 29715 + ... + 29756.

It is an arithmetic number, because the mean of its divisors is an integer number (237888).

2^1248891 is an apocalyptic number.

1248891 is a deficient number, since it is larger than the sum of its proper divisors (654213).

1248891 is an equidigital number, since it uses as much as digits as its factorization.

1248891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59481.

The product of its digits is 4608, while the sum is 33.

The square root of 1248891 is about 1117.5379188198. The cubic root of 1248891 is about 107.6898681682.

The spelling of 1248891 in words is "one million, two hundred forty-eight thousand, eight hundred ninety-one".