1245334541 has 12 divisors (see below), whose sum is σ = 1449361116. Its totient is φ = 1065525120.

The previous prime is 1245334529. The next prime is 1245334543. The reversal of 1245334541 is 1454335421.

It can be written as a sum of positive squares in 2 ways, for example, as 385965316 + 859369225 = 19646^2 + 29315^2 .

It is not a de Polignac number, because 1245334541 - 2¹⁸ = 1245072397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1245334498 and 1245334507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245334543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 300650 + ... + 304763.

It is an arithmetic number, because the mean of its divisors is an integer number (120780093).

Almost surely, 2^1245334541 is an apocalyptic number.

1245334541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1245334541 is a deficient number, since it is larger than the sum of its proper divisors (204026575).

1245334541 is a wasteful number, since it uses less digits than its factorization.

1245334541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605452 (or 605441 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 1245334541 is about 35289.2978252614. The cubic root of 1245334541 is about 1075.8754839607.

Adding to 1245334541 its reverse (1454335421), we get a palindrome (2699669962).

The spelling of 1245334541 in words is "one billion, two hundred forty-five million, three hundred thirty-four thousand, five hundred forty-one".