121930767 has 18 divisors (see below), whose sum is σ = 204877608. Its totient is φ = 69674472.

The previous prime is 121930741. The next prime is 121930811. The reversal of 121930767 is 767039121.

It is a happy number.

It is not a de Polignac number, because 121930767 - 2¹⁸ = 121668623 is a prime.

It is a super-2 number, since 2×121930767² = 29734223882416578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121930717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 137803 + ... + 138684.

Almost surely, 2^121930767 is an apocalyptic number.

121930767 is a deficient number, since it is larger than the sum of its proper divisors (82946841).

121930767 is a wasteful number, since it uses less digits than its factorization.

121930767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276507 (or 276497 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 121930767 is about 11042.2265417804. The cubic root of 121930767 is about 495.8737308108.

Adding to 121930767 its reverse (767039121), we get a palindrome (888969888).

The spelling of 121930767 in words is "one hundred twenty-one million, nine hundred thirty thousand, seven hundred sixty-seven".