1201065456 has 20 divisors (see below), whose sum is σ = 3102752552. Its totient is φ = 400355136.

The previous prime is 1201065443. The next prime is 1201065461. The reversal of 1201065456 is 6545601021.

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, 12511051 + ... + 12511146.

Almost surely, 2^1201065456 is an apocalyptic number.

1201065456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1201065456 is an abundant number, since it is smaller than the sum of its proper divisors (1901687096).

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

1201065456 is a wasteful number, since it uses less digits than its factorization.

1201065456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25022208 (or 25022202 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1201065456 is about 34656.3912720295. The cubic root of 1201065456 is about 1062.9729805779.

Adding to 1201065456 its reverse (6545601021), we get a palindrome (7746666477).

The spelling of 1201065456 in words is "one billion, two hundred one million, sixty-five thousand, four hundred fifty-six".