1452003121 has 2 divisors, whose sum is σ = 1452003122. Its totient is φ = 1452003120.

The previous prime is 1452003107. The next prime is 1452003127. The reversal of 1452003121 is 1213002541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 909625600 + 542377521 = 30160^2 + 23289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452003121 - 2¹¹ = 1452001073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1452003127) 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, 726001560 + 726001561.

It is an arithmetic number, because the mean of its divisors is an integer number (726001561).

Almost surely, 2^1452003121 is an apocalyptic number.

It is an amenable number.

1452003121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452003121 is an equidigital number, since it uses as much as digits as its factorization.

1452003121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1452003121 is about 38105.1587189976. The cubic root of 1452003121 is about 1132.3721595644.

Adding to 1452003121 its reverse (1213002541), we get a palindrome (2665005662).

The spelling of 1452003121 in words is "one billion, four hundred fifty-two million, three thousand, one hundred twenty-one".