121630767 has 16 divisors (see below), whose sum is σ = 174533472. Its totient is φ = 75064320.

The previous prime is 121630759. The next prime is 121630781. The reversal of 121630767 is 767036121.

It is not a de Polignac number, because 121630767 - 2³ = 121630759 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121630757) 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, 16438 + ... + 22659.

It is an arithmetic number, because the mean of its divisors is an integer number (10908342).

Almost surely, 2^121630767 is an apocalyptic number.

121630767 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

121630767 is a deficient number, since it is larger than the sum of its proper divisors (52902705).

121630767 is a wasteful number, since it uses less digits than its factorization.

121630767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39178.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 121630767 is about 11028.6339589271. The cubic root of 121630767 is about 495.4667121522.

Adding to 121630767 its reverse (767036121), we get a palindrome (888666888).

The spelling of 121630767 in words is "one hundred twenty-one million, six hundred thirty thousand, seven hundred sixty-seven".