1225001527 has 2 divisors, whose sum is σ = 1225001528. Its totient is φ = 1225001526.

The previous prime is 1225001509. The next prime is 1225001621. The reversal of 1225001527 is 7251005221.

It is a weak prime.

It is an emirp because it is prime and its reverse (7251005221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1225001527 - 2²³ = 1216612919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1225001027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612500763 + 612500764.

It is an arithmetic number, because the mean of its divisors is an integer number (612500764).

Almost surely, 2^1225001527 is an apocalyptic number.

1225001527 is a deficient number, since it is larger than the sum of its proper divisors (1).

1225001527 is an equidigital number, since it uses as much as digits as its factorization.

1225001527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 1225001527 is about 35000.0218142789. The cubic root of 1225001527 is about 1069.9879251556.

Adding to 1225001527 its reverse (7251005221), we get a palindrome (8476006748).

The spelling of 1225001527 in words is "one billion, two hundred twenty-five million, one thousand, five hundred twenty-seven".