1257141203 has 8 divisors (see below), whose sum is σ = 1262595600. Its totient is φ = 1251699328.

The previous prime is 1257141187. The next prime is 1257141229. The reversal of 1257141203 is 3021417521.

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 1257141203 - 2⁴ = 1257141187 is a prime.

It is a super-3 number, since 3×1257141203³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1257141283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235775 + ... + 241047.

It is an arithmetic number, because the mean of its divisors is an integer number (157824450).

Almost surely, 2^1257141203 is an apocalyptic number.

1257141203 is a deficient number, since it is larger than the sum of its proper divisors (5454397).

1257141203 is an equidigital number, since it uses as much as digits as its factorization.

1257141203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1257141203 is about 35456.1870905488. The cubic root of 1257141203 is about 1079.2648183021.

Adding to 1257141203 its reverse (3021417521), we get a palindrome (4278558724).

The spelling of 1257141203 in words is "one billion, two hundred fifty-seven million, one hundred forty-one thousand, two hundred three".