121560473671 has 16 divisors (see below), whose sum is σ = 149821056000. Its totient is φ = 96045895008.

The previous prime is 121560473669. The next prime is 121560473689. The reversal of 121560473671 is 176374065121.

It is not a de Polignac number, because 121560473671 - 2¹ = 121560473669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121560473611) 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, 863521 + ... + 994378.

It is an arithmetic number, because the mean of its divisors is an integer number (9363816000).

Almost surely, 2^121560473671 is an apocalyptic number.

121560473671 is a deficient number, since it is larger than the sum of its proper divisors (28260582329).

121560473671 is a wasteful number, since it uses less digits than its factorization.

121560473671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858638.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 121560473671 in words is "one hundred twenty-one billion, five hundred sixty million, four hundred seventy-three thousand, six hundred seventy-one".