1213245235 has 8 divisors (see below), whose sum is σ = 1457975376. Its totient is φ = 969208800.

The previous prime is 1213245223. The next prime is 1213245259. The reversal of 1213245235 is 5325423121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213245235 - 2⁹ = 1213244723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169569 + ... + 176578.

It is an arithmetic number, because the mean of its divisors is an integer number (182246922).

Almost surely, 2^1213245235 is an apocalyptic number.

1213245235 is a deficient number, since it is larger than the sum of its proper divisors (244730141).

1213245235 is an equidigital number, since it uses as much as digits as its factorization.

1213245235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346853.

The product of its digits is 7200, while the sum is 28.

The square root of 1213245235 is about 34831.6700001593. The cubic root of 1213245235 is about 1066.5540391608.

Adding to 1213245235 its reverse (5325423121), we get a palindrome (6538668356).

The spelling of 1213245235 in words is "one billion, two hundred thirteen million, two hundred forty-five thousand, two hundred thirty-five".