1054101421 has 2 divisors, whose sum is σ = 1054101422. Its totient is φ = 1054101420.

The previous prime is 1054101379. The next prime is 1054101443. The reversal of 1054101421 is 1241014501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 633277225 + 420824196 = 25165^2 + 20514^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054101421 - 2⁹ = 1054100909 is a prime.

It is a super-2 number, since 2×1054101421² = 2222259611508438482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054101491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527050710 + 527050711.

It is an arithmetic number, because the mean of its divisors is an integer number (527050711).

Almost surely, 2^1054101421 is an apocalyptic number.

It is an amenable number.

1054101421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054101421 is an equidigital number, since it uses as much as digits as its factorization.

1054101421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1054101421 is about 32466.9281115414. The cubic root of 1054101421 is about 1017.7180245426.

Adding to 1054101421 its reverse (1241014501), we get a palindrome (2295115922).

The spelling of 1054101421 in words is "one billion, fifty-four million, one hundred one thousand, four hundred twenty-one".