1261441 has 8 divisors (see below), whose sum is σ = 1312064. Its totient is φ = 1211760.

The previous prime is 1261427. The next prime is 1261459. The reversal of 1261441 is 1441621.

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

It is a cyclic number.

It is not a de Polignac number, because 1261441 - 2⁷ = 1261313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1261411) 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 7 ways as a sum of consecutive naturals, for example, 3646 + ... + 3976.

It is an arithmetic number, because the mean of its divisors is an integer number (164008).

2^1261441 is an apocalyptic number.

It is an amenable number.

1261441 is a deficient number, since it is larger than the sum of its proper divisors (50623).

1261441 is a wasteful number, since it uses less digits than its factorization.

1261441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471.

The product of its digits is 192, while the sum is 19.

The square root of 1261441 is about 1123.1389050336. The cubic root of 1261441 is about 108.0493887050.

The spelling of 1261441 in words is "one million, two hundred sixty-one thousand, four hundred forty-one".