121696766 has 16 divisors (see below), whose sum is σ = 184969824. Its totient is φ = 60044544.

The previous prime is 121696759. The next prime is 121696781. The reversal of 121696766 is 667696121.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68546 + ... + 70298.

It is an arithmetic number, because the mean of its divisors is an integer number (11560614).

Almost surely, 2^121696766 is an apocalyptic number.

121696766 is a deficient number, since it is larger than the sum of its proper divisors (63273058).

121696766 is a wasteful number, since it uses less digits than its factorization.

121696766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195.

The product of its digits is 163296, while the sum is 44.

The square root of 121696766 is about 11031.6257188141. The cubic root of 121696766 is about 495.5563122743.

The spelling of 121696766 in words is "one hundred twenty-one million, six hundred ninety-six thousand, seven hundred sixty-six".