1245413041 has 4 divisors (see below), whose sum is σ = 1246238784. Its totient is φ = 1244587300.

The previous prime is 1245413011. The next prime is 1245413063. The reversal of 1245413041 is 1403145421.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1403145421 = 19 ⋅73849759.

It is a cyclic number.

It is not a de Polignac number, because 1245413041 - 2⁵ = 1245413009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1245412997 and 1245413015.

It is not an unprimeable number, because it can be changed into a prime (1245413011) 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, 410605 + ... + 413626.

It is an arithmetic number, because the mean of its divisors is an integer number (311559696).

Almost surely, 2^1245413041 is an apocalyptic number.

It is an amenable number.

1245413041 is a deficient number, since it is larger than the sum of its proper divisors (825743).

1245413041 is an equidigital number, since it uses as much as digits as its factorization.

1245413041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825742.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1245413041 is about 35290.4100429564. The cubic root of 1245413041 is about 1075.8980895199.

Adding to 1245413041 its reverse (1403145421), we get a palindrome (2648558462).

The spelling of 1245413041 in words is "one billion, two hundred forty-five million, four hundred thirteen thousand, forty-one".