1450991 has 2 divisors, whose sum is σ = 1450992. Its totient is φ = 1450990.

The previous prime is 1450979. The next prime is 1451003. The reversal of 1450991 is 1990541.

It is a balanced prime because it is at equal distance from previous prime (1450979) and next prime (1451003).

It is a cyclic number.

It is not a de Polignac number, because 1450991 - 2⁶ = 1450927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1450931) 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, 725495 + 725496.

It is an arithmetic number, because the mean of its divisors is an integer number (725496).

2^1450991 is an apocalyptic number.

1450991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1450991 is an equidigital number, since it uses as much as digits as its factorization.

1450991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 1450991 is about 1204.5708779478. The cubic root of 1450991 is about 113.2108991158.

The spelling of 1450991 in words is "one million, four hundred fifty thousand, nine hundred ninety-one".