1299953 has 2 divisors, whose sum is σ = 1299954. Its totient is φ = 1299952.

The previous prime is 1299941. The next prime is 1299979. The reversal of 1299953 is 3599921.

1299953 is nontrivially palindromic in base 4.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 734449 + 565504 = 857^2 + 752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1299953 - 2¹⁶ = 1234417 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1299553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 649976 + 649977.

It is an arithmetic number, because the mean of its divisors is an integer number (649977).

2^1299953 is an apocalyptic number.

It is an amenable number.

1299953 is a deficient number, since it is larger than the sum of its proper divisors (1).

1299953 is an equidigital number, since it uses as much as digits as its factorization.

1299953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21870, while the sum is 38.

The square root of 1299953 is about 1140.1548140494. The cubic root of 1299953 is about 109.1379730219.

Subtracting 1299953 from its reverse (3599921), we obtain a cube (2299968 = 132³).

The spelling of 1299953 in words is "one million, two hundred ninety-nine thousand, nine hundred fifty-three".