1245114529 has 2 divisors, whose sum is σ = 1245114530. Its totient is φ = 1245114528.

The previous prime is 1245114511. The next prime is 1245114551. The reversal of 1245114529 is 9254115421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 968890129 + 276224400 = 31127^2 + 16620^2 .

It is an emirp because it is prime and its reverse (9254115421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1245114529 - 2⁷ = 1245114401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1245114494 and 1245114503.

It is not a weakly prime, because it can be changed into another prime (1245114509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622557264 + 622557265.

It is an arithmetic number, because the mean of its divisors is an integer number (622557265).

Almost surely, 2^1245114529 is an apocalyptic number.

It is an amenable number.

1245114529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245114529 is an equidigital number, since it uses as much as digits as its factorization.

1245114529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 34.

The square root of 1245114529 is about 35286.1804252033. The cubic root of 1245114529 is about 1075.8121222829.

The spelling of 1245114529 in words is "one billion, two hundred forty-five million, one hundred fourteen thousand, five hundred twenty-nine".