1281411 has 12 divisors (see below), whose sum is σ = 1863888. Its totient is φ = 848304.

The previous prime is 1281407. The next prime is 1281431. The reversal of 1281411 is 1141821.

It is not a de Polignac number, because 1281411 - 2² = 1281407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1281431) 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, 1146 + ... + 1968.

It is an arithmetic number, because the mean of its divisors is an integer number (155324).

2^1281411 is an apocalyptic number.

1281411 is a deficient number, since it is larger than the sum of its proper divisors (582477).

1281411 is a wasteful number, since it uses less digits than its factorization.

1281411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002 (or 999 counting only the distinct ones).

The product of its digits is 64, while the sum is 18.

The square root of 1281411 is about 1131.9942579360. The cubic root of 1281411 is about 108.6165862969.

The spelling of 1281411 in words is "one million, two hundred eighty-one thousand, four hundred eleven".