1489751 has 2 divisors, whose sum is σ = 1489752. Its totient is φ = 1489750.

The previous prime is 1489729. The next prime is 1489753. The reversal of 1489751 is 1579841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1489751 - 2¹⁰ = 1488727 is a prime.

Together with 1489753, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1489753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744875 + 744876.

It is an arithmetic number, because the mean of its divisors is an integer number (744876).

2^1489751 is an apocalyptic number.

1489751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489751 is an equidigital number, since it uses as much as digits as its factorization.

1489751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 35.

The square root of 1489751 is about 1220.5535629377. The cubic root of 1489751 is about 114.2101131698.

The spelling of 1489751 in words is "one million, four hundred eighty-nine thousand, seven hundred fifty-one".