120601645263 has 48 divisors (see below), whose sum is σ = 195683997600. Its totient is φ = 70939238400.

The previous prime is 120601645249. The next prime is 120601645271. The reversal of 120601645263 is 362546106021.

120601645263 is a `hidden beast` number, since 1 + 2 + 0 + 6 + 0 + 1 + 645 + 2 + 6 + 3 = 666.

It is not a de Polignac number, because 120601645263 - 2¹³ = 120601637071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120601645223) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 706413 + ... + 860361.

It is an arithmetic number, because the mean of its divisors is an integer number (4076749950).

Almost surely, 2^120601645263 is an apocalyptic number.

120601645263 is a deficient number, since it is larger than the sum of its proper divisors (75082352337).

120601645263 is a wasteful number, since it uses less digits than its factorization.

120601645263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154200 (or 154197 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 120601645263 in words is "one hundred twenty billion, six hundred one million, six hundred forty-five thousand, two hundred sixty-three".