1245213334 has 4 divisors (see below), whose sum is σ = 1867820004. Its totient is φ = 622606666.

The previous prime is 1245213311. The next prime is 1245213371. The reversal of 1245213334 is 4333125421.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311303332 + ... + 311303335.

It is an arithmetic number, because the mean of its divisors is an integer number (466955001).

Almost surely, 2^1245213334 is an apocalyptic number.

1245213334 is a deficient number, since it is larger than the sum of its proper divisors (622606670).

1245213334 is an equidigital number, since it uses as much as digits as its factorization.

1245213334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622606669.

The product of its digits is 8640, while the sum is 28.

The square root of 1245213334 is about 35287.5804497843. The cubic root of 1245213334 is about 1075.8405782476.

Adding to 1245213334 its reverse (4333125421), we get a palindrome (5578338755).

The spelling of 1245213334 in words is "one billion, two hundred forty-five million, two hundred thirteen thousand, three hundred thirty-four".