1220047677127 has 4 divisors (see below), whose sum is σ = 1220049893776. Its totient is φ = 1220045460480.

The previous prime is 1220047677059. The next prime is 1220047677133. The reversal of 1220047677127 is 7217767400221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1220047677127 - 2¹¹ = 1220047675079 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 (1220047672127) 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, 417223 + ... + 1616839.

It is an arithmetic number, because the mean of its divisors is an integer number (305012473444).

Almost surely, 2^{1220047677127} is an apocalyptic number.

1220047677127 is a deficient number, since it is larger than the sum of its proper divisors (2216649).

1220047677127 is a wasteful number, since it uses less digits than its factorization.

1220047677127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2216648.

The product of its (nonzero) digits is 460992, while the sum is 46.

The spelling of 1220047677127 in words is "one trillion, two hundred twenty billion, forty-seven million, six hundred seventy-seven thousand, one hundred twenty-seven".