1252130501 has 2 divisors, whose sum is σ = 1252130502. Its totient is φ = 1252130500.

The previous prime is 1252130497. The next prime is 1252130531. The reversal of 1252130501 is 1050312521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1223250625 + 28879876 = 34975^2 + 5374^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252130501 - 2² = 1252130497 is a prime.

It is a super-2 number, since 2×1252130501² = 3135661583069022002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252130531) 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, 626065250 + 626065251.

It is an arithmetic number, because the mean of its divisors is an integer number (626065251).

Almost surely, 2^1252130501 is an apocalyptic number.

It is an amenable number.

1252130501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252130501 is an equidigital number, since it uses as much as digits as its factorization.

1252130501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1252130501 is about 35385.4560660167. The cubic root of 1252130501 is about 1077.8290010133.

The spelling of 1252130501 in words is "one billion, two hundred fifty-two million, one hundred thirty thousand, five hundred one".