121077976061 has 8 divisors (see below), whose sum is σ = 138819767424. Its totient is φ = 103447419120.

The previous prime is 121077976049. The next prime is 121077976109. The reversal of 121077976061 is 160679770121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121077976061 - 2¹⁰ = 121077975037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121077975997 and 121077976015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121077976361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27806270 + ... + 27810623.

It is an arithmetic number, because the mean of its divisors is an integer number (17352470928).

Almost surely, 2^121077976061 is an apocalyptic number.

It is an amenable number.

121077976061 is a deficient number, since it is larger than the sum of its proper divisors (17741791363).

121077976061 is an equidigital number, since it uses as much as digits as its factorization.

121077976061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55617211.

The product of its (nonzero) digits is 222264, while the sum is 47.

The spelling of 121077976061 in words is "one hundred twenty-one billion, seventy-seven million, nine hundred seventy-six thousand, sixty-one".