1252086769 has 2 divisors, whose sum is σ = 1252086770. Its totient is φ = 1252086768.

The previous prime is 1252086751. The next prime is 1252086791. The reversal of 1252086769 is 9676802521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1206659169 + 45427600 = 34737^2 + 6740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252086769 - 2¹¹ = 1252084721 is a prime.

It is a super-2 number, since 2×1252086769² = 3135442554209718722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1252080769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626043384 + 626043385.

It is an arithmetic number, because the mean of its divisors is an integer number (626043385).

Almost surely, 2^1252086769 is an apocalyptic number.

It is an amenable number.

1252086769 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252086769 is an equidigital number, since it uses as much as digits as its factorization.

1252086769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 1252086769 is about 35384.8381231284. The cubic root of 1252086769 is about 1077.8164527562.

The spelling of 1252086769 in words is "one billion, two hundred fifty-two million, eighty-six thousand, seven hundred sixty-nine".