1245228541307 has 4 divisors (see below), whose sum is σ = 1245293190696. Its totient is φ = 1245163891920.

The previous prime is 1245228541273. The next prime is 1245228541309. The reversal of 1245228541307 is 7031458225421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245228541307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1245228541309) 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, 32295794 + ... + 32334327.

It is an arithmetic number, because the mean of its divisors is an integer number (311323297674).

Almost surely, 2^{1245228541307} is an apocalyptic number.

1245228541307 is a deficient number, since it is larger than the sum of its proper divisors (64649389).

1245228541307 is an equidigital number, since it uses as much as digits as its factorization.

1245228541307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64649388.

The product of its (nonzero) digits is 537600, while the sum is 44.

The spelling of 1245228541307 in words is "one trillion, two hundred forty-five billion, two hundred twenty-eight million, five hundred forty-one thousand, three hundred seven".