1201102120987 has 2 divisors, whose sum is σ = 1201102120988. Its totient is φ = 1201102120986.

The previous prime is 1201102120973. The next prime is 1201102121117. The reversal of 1201102120987 is 7890212011021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1201102120987 - 2¹¹ = 1201102118939 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201102120937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600551060493 + 600551060494.

It is an arithmetic number, because the mean of its divisors is an integer number (600551060494).

Almost surely, 2^{1201102120987} is an apocalyptic number.

1201102120987 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201102120987 is an equidigital number, since it uses as much as digits as its factorization.

1201102120987 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 1201102120987 in words is "one trillion, two hundred one billion, one hundred two million, one hundred twenty thousand, nine hundred eighty-seven".