1220114280687 has 4 divisors (see below), whose sum is σ = 1626819040920. Its totient is φ = 813409520456.

The previous prime is 1220114280677. The next prime is 1220114280689. The reversal of 1220114280687 is 7860824110221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220114280687 - 2⁷ = 1220114280559 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220114280689) 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, 203352380112 + ... + 203352380117.

It is an arithmetic number, because the mean of its divisors is an integer number (406704760230).

Almost surely, 2^{1220114280687} is an apocalyptic number.

1220114280687 is a deficient number, since it is larger than the sum of its proper divisors (406704760233).

1220114280687 is an equidigital number, since it uses as much as digits as its factorization.

1220114280687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406704760232.

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 1220114280687 in words is "one trillion, two hundred twenty billion, one hundred fourteen million, two hundred eighty thousand, six hundred eighty-seven".