1291848 has 32 divisors (see below), whose sum is σ = 3400800. Its totient is φ = 407808.

The previous prime is 1291831. The next prime is 1291861. The reversal of 1291848 is 8481921.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 961 + ... + 1872.

It is an arithmetic number, because the mean of its divisors is an integer number (106275).

2^1291848 is an apocalyptic number.

It is an amenable number.

1291848 is an abundant number, since it is smaller than the sum of its proper divisors (2108952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1291848 is a wasteful number, since it uses less digits than its factorization.

1291848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2861 (or 2857 counting only the distinct ones).

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

The square root of 1291848 is about 1136.5949146464. The cubic root of 1291848 is about 108.9106806926.

The spelling of 1291848 in words is "one million, two hundred ninety-one thousand, eight hundred forty-eight".