1074401021 has 2 divisors, whose sum is σ = 1074401022. Its totient is φ = 1074401020.

The previous prime is 1074401011. The next prime is 1074401051. The reversal of 1074401021 is 1201044701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1016716996 + 57684025 = 31886^2 + 7595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074401021 - 2¹⁴ = 1074384637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1074400984 and 1074401002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074401011) 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, 537200510 + 537200511.

It is an arithmetic number, because the mean of its divisors is an integer number (537200511).

Almost surely, 2^1074401021 is an apocalyptic number.

It is an amenable number.

1074401021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074401021 is an equidigital number, since it uses as much as digits as its factorization.

1074401021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1074401021 is about 32778.0570046487. The cubic root of 1074401021 is about 1024.2095102141.

Adding to 1074401021 its reverse (1201044701), we get a palindrome (2275445722).

The spelling of 1074401021 in words is "one billion, seventy-four million, four hundred one thousand, twenty-one".