121930766 has 8 divisors (see below), whose sum is σ = 193654800. Its totient is φ = 57379168.

The previous prime is 121930741. The next prime is 121930811. The reversal of 121930766 is 667039121.

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

It is a super-2 number, since 2×121930766² = 29734223394693512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1793066 + ... + 1793133.

It is an arithmetic number, because the mean of its divisors is an integer number (24206850).

Almost surely, 2^121930766 is an apocalyptic number.

121930766 is a deficient number, since it is larger than the sum of its proper divisors (71724034).

121930766 is a wasteful number, since it uses less digits than its factorization.

121930766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3586218.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 121930766 is about 11042.2264964997. The cubic root of 121930766 is about 495.8737294552.

Adding to 121930766 its reverse (667039121), we get a palindrome (788969887).

The spelling of 121930766 in words is "one hundred twenty-one million, nine hundred thirty thousand, seven hundred sixty-six".