1245416459 has 4 divisors (see below), whose sum is σ = 1423333104. Its totient is φ = 1067499816.

The previous prime is 1245416453. The next prime is 1245416477. The reversal of 1245416459 is 9546145421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9546145421 = 223 ⋅42807827.

It is a cyclic number.

It is not a de Polignac number, because 1245416459 - 2⁸ = 1245416203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245416453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88958312 + ... + 88958325.

It is an arithmetic number, because the mean of its divisors is an integer number (355833276).

Almost surely, 2^1245416459 is an apocalyptic number.

1245416459 is a deficient number, since it is larger than the sum of its proper divisors (177916645).

1245416459 is an equidigital number, since it uses as much as digits as its factorization.

1245416459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177916644.

The product of its digits is 172800, while the sum is 41.

The square root of 1245416459 is about 35290.4584696770. The cubic root of 1245416459 is about 1075.8990737760.

The spelling of 1245416459 in words is "one billion, two hundred forty-five million, four hundred sixteen thousand, four hundred fifty-nine".