120111047287 has 24 divisors (see below), whose sum is σ = 152566241040. Its totient is φ = 93505023360.

The previous prime is 120111047209. The next prime is 120111047321. The reversal of 120111047287 is 782740111021.

It is a happy number.

It is not a de Polignac number, because 120111047287 - 2³⁵ = 85751308919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120111047207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 471963 + ... + 680419.

It is an arithmetic number, because the mean of its divisors is an integer number (6356926710).

Almost surely, 2^120111047287 is an apocalyptic number.

120111047287 is a deficient number, since it is larger than the sum of its proper divisors (32455193753).

120111047287 is a wasteful number, since it uses less digits than its factorization.

120111047287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209551 (or 209544 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 34.

The spelling of 120111047287 in words is "one hundred twenty billion, one hundred eleven million, forty-seven thousand, two hundred eighty-seven".