1243247114 has 4 divisors (see below), whose sum is σ = 1864870674. Its totient is φ = 621623556.

The previous prime is 1243247113. The next prime is 1243247119. The reversal of 1243247114 is 4117423421.

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

It can be written as a sum of positive squares in only one way, i.e., 1045422889 + 197824225 = 32333^2 + 14065^2 .

It is a super-3 number, since 3×1243247114³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1243247113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310811777 + ... + 310811780.

Almost surely, 2^1243247114 is an apocalyptic number.

1243247114 is a deficient number, since it is larger than the sum of its proper divisors (621623560).

1243247114 is an equidigital number, since it uses as much as digits as its factorization.

1243247114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621623559.

The product of its digits is 5376, while the sum is 29.

The square root of 1243247114 is about 35259.7094996541. The cubic root of 1243247114 is about 1075.2740210772.

The spelling of 1243247114 in words is "one billion, two hundred forty-three million, two hundred forty-seven thousand, one hundred fourteen".