1257241114 has 4 divisors (see below), whose sum is σ = 1885861674. Its totient is φ = 628620556.

The previous prime is 1257241109. The next prime is 1257241121. The reversal of 1257241114 is 4111427521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4111427521 = 173 ⋅23765477.

It can be written as a sum of positive squares in only one way, i.e., 842915089 + 414326025 = 29033^2 + 20355^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 314310277 + ... + 314310280.

Almost surely, 2^1257241114 is an apocalyptic number.

1257241114 is a deficient number, since it is larger than the sum of its proper divisors (628620560).

1257241114 is an equidigital number, since it uses as much as digits as its factorization.

1257241114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628620559.

The product of its digits is 2240, while the sum is 28.

The square root of 1257241114 is about 35457.5959986009. The cubic root of 1257241114 is about 1079.2934089835.

Adding to 1257241114 its reverse (4111427521), we get a palindrome (5368668635).

The spelling of 1257241114 in words is "one billion, two hundred fifty-seven million, two hundred forty-one thousand, one hundred fourteen".