1257043223603 has 8 divisors (see below), whose sum is σ = 1258986816000. Its totient is φ = 1255099934088.

The previous prime is 1257043223551. The next prime is 1257043223609. The reversal of 1257043223603 is 3063223407521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1257043223603 - 2²⁰ = 1257042175027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1257043223609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9082838 + ... + 9220196.

It is an arithmetic number, because the mean of its divisors is an integer number (157373352000).

Almost surely, 2^{1257043223603} is an apocalyptic number.

1257043223603 is a deficient number, since it is larger than the sum of its proper divisors (1943592397).

1257043223603 is a wasteful number, since it uses less digits than its factorization.

1257043223603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151441.

The product of its (nonzero) digits is 181440, while the sum is 38.

The spelling of 1257043223603 in words is "one trillion, two hundred fifty-seven billion, forty-three million, two hundred twenty-three thousand, six hundred three".