121672938 has 32 divisors (see below), whose sum is σ = 248060736. Its totient is φ = 39777408.

The previous prime is 121672933. The next prime is 121672963. The reversal of 121672938 is 839276121.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 121672896 and 121672905.

It is not an unprimeable number, because it can be changed into a prime (121672933) 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, 117270 + ... + 118302.

It is an arithmetic number, because the mean of its divisors is an integer number (7751898).

Almost surely, 2^121672938 is an apocalyptic number.

121672938 is an abundant number, since it is smaller than the sum of its proper divisors (126387798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121672938 is a wasteful number, since it uses less digits than its factorization.

121672938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398.

The product of its digits is 36288, while the sum is 39.

The square root of 121672938 is about 11030.5456800650. The cubic root of 121672938 is about 495.5239671624.

The spelling of 121672938 in words is "one hundred twenty-one million, six hundred seventy-two thousand, nine hundred thirty-eight".