1454021 has 2 divisors, whose sum is σ = 1454022. Its totient is φ = 1454020.

The previous prime is 1454003. The next prime is 1454029. The reversal of 1454021 is 1204541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829921 + 624100 = 911^2 + 790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1454021 - 2⁶ = 1453957 is a prime.

It is a super-2 number, since 2×1454021² = 4228354136882, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1454029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727010 + 727011.

It is an arithmetic number, because the mean of its divisors is an integer number (727011).

2^1454021 is an apocalyptic number.

It is an amenable number.

1454021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454021 is an equidigital number, since it uses as much as digits as its factorization.

1454021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1454021 is about 1205.8279313401. The cubic root of 1454021 is about 113.2896477151.

Adding to 1454021 its reverse (1204541), we get a palindrome (2658562).

The spelling of 1454021 in words is "one million, four hundred fifty-four thousand, twenty-one".