1299241 has 4 divisors (see below), whose sum is σ = 1341184. Its totient is φ = 1257300.

The previous prime is 1299227. The next prime is 1299257. The reversal of 1299241 is 1429921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1299241 - 2⁵ = 1299209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1299211) 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, 20925 + ... + 20986.

It is an arithmetic number, because the mean of its divisors is an integer number (335296).

2^1299241 is an apocalyptic number.

It is an amenable number.

1299241 is a deficient number, since it is larger than the sum of its proper divisors (41943).

1299241 is an equidigital number, since it uses as much as digits as its factorization.

1299241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41942.

The product of its digits is 1296, while the sum is 28.

The square root of 1299241 is about 1139.8425329843. The cubic root of 1299241 is about 109.1180439865.

It can be divided in two parts, 1299 and 241, that added together give a triangular number (1540 = T₅₅).

The spelling of 1299241 in words is "one million, two hundred ninety-nine thousand, two hundred forty-one".