1261067 has 4 divisors (see below), whose sum is σ = 1315920. Its totient is φ = 1206216.

The previous prime is 1261033. The next prime is 1261069. The reversal of 1261067 is 7601621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1261067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 54829 = 1261067 / (1 + 2 + 6 + 1 + 0 + 6 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1261069) 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 3 ways as a sum of consecutive naturals, for example, 27392 + ... + 27437.

It is an arithmetic number, because the mean of its divisors is an integer number (328980).

2^1261067 is an apocalyptic number.

1261067 is a deficient number, since it is larger than the sum of its proper divisors (54853).

1261067 is an equidigital number, since it uses as much as digits as its factorization.

1261067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54852.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1261067 is about 1122.9723950303. The cubic root of 1261067 is about 108.0387092609.

Adding to 1261067 its reverse (7601621), we get a palindrome (8862688).

The spelling of 1261067 in words is "one million, two hundred sixty-one thousand, sixty-seven".