1201613268 has 12 divisors (see below), whose sum is σ = 2803764320. Its totient is φ = 400537752.

The previous prime is 1201613249. The next prime is 1201613291. The reversal of 1201613268 is 8623161021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50067208 + ... + 50067231.

Almost surely, 2^1201613268 is an apocalyptic number.

It is an amenable number.

1201613268 is an abundant number, since it is smaller than the sum of its proper divisors (1602151052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201613268 is a wasteful number, since it uses less digits than its factorization.

1201613268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100134446 (or 100134444 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1201613268 is about 34664.2938482814. The cubic root of 1201613268 is about 1063.1345651228.

Adding to 1201613268 its reverse (8623161021), we get a palindrome (9824774289).

The spelling of 1201613268 in words is "one billion, two hundred one million, six hundred thirteen thousand, two hundred sixty-eight".