1260869 has 8 divisors (see below), whose sum is σ = 1303680. Its totient is φ = 1218816.

The previous prime is 1260851. The next prime is 1260877. The reversal of 1260869 is 9680621.

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 1260869 - 2²⁰ = 212293 is a prime.

It is a super-2 number, since 2×1260869² = 3179581270322, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260829) 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, 6437 + ... + 6629.

It is an arithmetic number, because the mean of its divisors is an integer number (162960).

2^1260869 is an apocalyptic number.

It is an amenable number.

1260869 is a deficient number, since it is larger than the sum of its proper divisors (42811).

1260869 is a wasteful number, since it uses less digits than its factorization.

1260869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1260869 is about 1122.8842326794. The cubic root of 1260869 is about 108.0330545828.

The spelling of 1260869 in words is "one million, two hundred sixty thousand, eight hundred sixty-nine".