1291484 has 6 divisors (see below), whose sum is σ = 2260104. Its totient is φ = 645740.

The previous prime is 1291483. The next prime is 1291489. The reversal of 1291484 is 4841921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1291481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161432 + ... + 161439.

It is an arithmetic number, because the mean of its divisors is an integer number (376684).

2^1291484 is an apocalyptic number.

It is an amenable number.

1291484 is a deficient number, since it is larger than the sum of its proper divisors (968620).

1291484 is a wasteful number, since it uses less digits than its factorization.

1291484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322875 (or 322873 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 1291484 is about 1136.4347759550. The cubic root of 1291484 is about 108.9004505903.

The spelling of 1291484 in words is "one million, two hundred ninety-one thousand, four hundred eighty-four".