121010930 has 16 divisors (see below), whose sum is σ = 230632920. Its totient is φ = 45556992.

The previous prime is 121010927. The next prime is 121010933. The reversal of 121010930 is 39010121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121010927) and next prime (121010933).

It can be written as a sum of positive squares in 4 ways, for example, as 98267569 + 22743361 = 9913^2 + 4769^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 121010899 and 121010908.

It is not an unprimeable number, because it can be changed into a prime (121010933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355745 + ... + 356084.

Almost surely, 2^121010930 is an apocalyptic number.

121010930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121010930 is a deficient number, since it is larger than the sum of its proper divisors (109621990).

121010930 is a wasteful number, since it uses less digits than its factorization.

121010930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711853.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 121010930 is about 11000.4968069629. The cubic root of 121010930 is about 494.6236366411.

The spelling of 121010930 in words is "one hundred twenty-one million, ten thousand, nine hundred thirty".