1245824053 has 4 divisors (see below), whose sum is σ = 1311393760. Its totient is φ = 1180254348.

The previous prime is 1245824029. The next prime is 1245824081. The reversal of 1245824053 is 3504285421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1245824053 - 2²¹ = 1243726901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245824453) 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, 32784825 + ... + 32784862.

It is an arithmetic number, because the mean of its divisors is an integer number (327848440).

Almost surely, 2^1245824053 is an apocalyptic number.

It is an amenable number.

1245824053 is a deficient number, since it is larger than the sum of its proper divisors (65569707).

1245824053 is an equidigital number, since it uses as much as digits as its factorization.

1245824053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65569706.

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 1245824053 is about 35296.2328443136. The cubic root of 1245824053 is about 1076.0164326917.

The spelling of 1245824053 in words is "one billion, two hundred forty-five million, eight hundred twenty-four thousand, fifty-three".