1468921 has 2 divisors, whose sum is σ = 1468922. Its totient is φ = 1468920.

The previous prime is 1468913. The next prime is 1468927. The reversal of 1468921 is 1298641.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846400 + 622521 = 920^2 + 789^2 .

It is an emirp because it is prime and its reverse (1298641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1468921 - 2³ = 1468913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1468927) 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, 734460 + 734461.

It is an arithmetic number, because the mean of its divisors is an integer number (734461).

2^1468921 is an apocalyptic number.

It is an amenable number.

1468921 is a deficient number, since it is larger than the sum of its proper divisors (1).

1468921 is an equidigital number, since it uses as much as digits as its factorization.

1468921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The square root of 1468921 is about 1211.9905115140. The cubic root of 1468921 is about 113.6753098215.

The spelling of 1468921 in words is "one million, four hundred sixty-eight thousand, nine hundred twenty-one".