120001411987 has 4 divisors (see below), whose sum is σ = 122928275736. Its totient is φ = 117074548240.

The previous prime is 120001411879. The next prime is 120001411993. The reversal of 120001411987 is 789114100021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120001411987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001411997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463431813 + ... + 1463431894.

It is an arithmetic number, because the mean of its divisors is an integer number (30732068934).

Almost surely, 2^120001411987 is an apocalyptic number.

120001411987 is a deficient number, since it is larger than the sum of its proper divisors (2926863749).

120001411987 is an equidigital number, since it uses as much as digits as its factorization.

120001411987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2926863748.

The product of its (nonzero) digits is 4032, while the sum is 34.

The spelling of 120001411987 in words is "one hundred twenty billion, one million, four hundred eleven thousand, nine hundred eighty-seven".