121339030 has 32 divisors (see below), whose sum is σ = 241320384. Its totient is φ = 43693056.

The previous prime is 121338989. The next prime is 121339039. The reversal of 121339030 is 30933121.

It is a super-4 number, since 4×121339030⁴ (a number of 33 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121338992 and 121339010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121339039) 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 15 ways as a sum of consecutive naturals, for example, 11607 + ... + 19426.

It is an arithmetic number, because the mean of its divisors is an integer number (7541262).

Almost surely, 2^121339030 is an apocalyptic number.

121339030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121339030 is a deficient number, since it is larger than the sum of its proper divisors (119981354).

121339030 is a wasteful number, since it uses less digits than its factorization.

121339030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31080.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 121339030 is about 11015.3996750004. The cubic root of 121339030 is about 495.0702617673.

The spelling of 121339030 in words is "one hundred twenty-one million, three hundred thirty-nine thousand, thirty".