121208030 has 16 divisors (see below), whose sum is σ = 229657680. Its totient is φ = 45931392.

The previous prime is 121208029. The next prime is 121208033. The reversal of 121208030 is 30802121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121208033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318779 + ... + 319158.

It is an arithmetic number, because the mean of its divisors is an integer number (14353605).

Almost surely, 2^121208030 is an apocalyptic number.

121208030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121208030 is a deficient number, since it is larger than the sum of its proper divisors (108449650).

121208030 is a wasteful number, since it uses less digits than its factorization.

121208030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637963.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 121208030 is about 11009.4518482984. The cubic root of 121208030 is about 494.8920350869.

The spelling of 121208030 in words is "one hundred twenty-one million, two hundred eight thousand, thirty".