121976061 has 16 divisors (see below), whose sum is σ = 169967616. Its totient is φ = 77661936.

The previous prime is 121976047. The next prime is 121976111. The reversal of 121976061 is 160679121.

It is not a de Polignac number, because 121976061 - 2⁹ = 121975549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121976461) 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, 72516 + ... + 74178.

It is an arithmetic number, because the mean of its divisors is an integer number (10622976).

Almost surely, 2^121976061 is an apocalyptic number.

It is an amenable number.

121976061 is a deficient number, since it is larger than the sum of its proper divisors (47991555).

121976061 is a wasteful number, since it uses less digits than its factorization.

121976061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 121976061 is about 11044.2772964101. The cubic root of 121976061 is about 495.9351244601.

The spelling of 121976061 in words is "one hundred twenty-one million, nine hundred seventy-six thousand, sixty-one".