1243113302 has 4 divisors (see below), whose sum is σ = 1864669956. Its totient is φ = 621556650.

The previous prime is 1243113301. The next prime is 1243113307. The reversal of 1243113302 is 2033113421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243113301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310778324 + ... + 310778327.

It is an arithmetic number, because the mean of its divisors is an integer number (466167489).

Almost surely, 2^1243113302 is an apocalyptic number.

1243113302 is a deficient number, since it is larger than the sum of its proper divisors (621556654).

1243113302 is an equidigital number, since it uses as much as digits as its factorization.

1243113302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621556653.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1243113302 is about 35257.8119287060. The cubic root of 1243113302 is about 1075.2354420669.

Adding to 1243113302 its reverse (2033113421), we get a palindrome (3276226723).

The spelling of 1243113302 in words is "one billion, two hundred forty-three million, one hundred thirteen thousand, three hundred two".