1421044153 has 2 divisors, whose sum is σ = 1421044154. Its totient is φ = 1421044152.

The previous prime is 1421044111. The next prime is 1421044169. The reversal of 1421044153 is 3514401241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1311381369 + 109662784 = 36213^2 + 10472^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421044153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1421044193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710522076 + 710522077.

It is an arithmetic number, because the mean of its divisors is an integer number (710522077).

Almost surely, 2^1421044153 is an apocalyptic number.

It is an amenable number.

1421044153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421044153 is an equidigital number, since it uses as much as digits as its factorization.

1421044153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1421044153 is about 37696.7392886971. The cubic root of 1421044153 is about 1124.2662944005.

Adding to 1421044153 its reverse (3514401241), we get a palindrome (4935445394).

The spelling of 1421044153 in words is "one billion, four hundred twenty-one million, forty-four thousand, one hundred fifty-three".