1245031041 has 4 divisors (see below), whose sum is σ = 1660041392. Its totient is φ = 830020692.

The previous prime is 1245030991. The next prime is 1245031043. The reversal of 1245031041 is 1401305421.

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 not a de Polignac number, because 1245031041 - 2⁶ = 1245030977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1245030999 and 1245031017.

It is not an unprimeable number, because it can be changed into a prime (1245031043) 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 3 ways as a sum of consecutive naturals, for example, 207505171 + ... + 207505176.

It is an arithmetic number, because the mean of its divisors is an integer number (415010348).

Almost surely, 2^1245031041 is an apocalyptic number.

It is an amenable number.

1245031041 is a deficient number, since it is larger than the sum of its proper divisors (415010351).

1245031041 is an equidigital number, since it uses as much as digits as its factorization.

1245031041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415010350.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1245031041 is about 35284.9973926597. The cubic root of 1245031041 is about 1075.7880764601.

Adding to 1245031041 its reverse (1401305421), we get a palindrome (2646336462).

The spelling of 1245031041 in words is "one billion, two hundred forty-five million, thirty-one thousand, forty-one".