1213552355 has 8 divisors (see below), whose sum is σ = 1457125200. Its totient is φ = 970266976.

The previous prime is 1213552349. The next prime is 1213552391. The reversal of 1213552355 is 5532553121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213552355 - 2⁴ = 1213552339 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62465 + ... + 79554.

It is an arithmetic number, because the mean of its divisors is an integer number (182140650).

Almost surely, 2^1213552355 is an apocalyptic number.

1213552355 is a deficient number, since it is larger than the sum of its proper divisors (243572845).

1213552355 is a wasteful number, since it uses less digits than its factorization.

1213552355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143733.

The product of its digits is 22500, while the sum is 32.

The square root of 1213552355 is about 34836.0783527653. The cubic root of 1213552355 is about 1066.6440271345.

The spelling of 1213552355 in words is "one billion, two hundred thirteen million, five hundred fifty-two thousand, three hundred fifty-five".