1120001121987 has 16 divisors (see below), whose sum is σ = 1714834254720. Its totient is φ = 643062844800.

The previous prime is 1120001121977. The next prime is 1120001122013. The reversal of 1120001121987 is 7891211000211.

It is not a de Polignac number, because 1120001121987 - 2¹⁰ = 1120001120963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1120001121907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893142214 + ... + 893143467.

It is an arithmetic number, because the mean of its divisors is an integer number (107177140920).

Almost surely, 2^{1120001121987} is an apocalyptic number.

1120001121987 is a deficient number, since it is larger than the sum of its proper divisors (594833132733).

1120001121987 is a wasteful number, since it uses less digits than its factorization.

1120001121987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786285714.

The product of its (nonzero) digits is 2016, while the sum is 33.

The spelling of 1120001121987 in words is "one trillion, one hundred twenty billion, one million, one hundred twenty-one thousand, nine hundred eighty-seven".