121205030 has 8 divisors (see below), whose sum is σ = 218169072. Its totient is φ = 48482008.

The previous prime is 121205027. The next prime is 121205033. The reversal of 121205030 is 30502121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121205027) and next prime (121205033).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121204996 and 121205014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121205033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6060242 + ... + 6060261.

It is an arithmetic number, because the mean of its divisors is an integer number (27271134).

Almost surely, 2^121205030 is an apocalyptic number.

121205030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121205030 is a deficient number, since it is larger than the sum of its proper divisors (96964042).

121205030 is a wasteful number, since it uses less digits than its factorization.

121205030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12120510.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 121205030 is about 11009.3156008900. The cubic root of 121205030 is about 494.8879520561.

Adding to 121205030 its reverse (30502121), we get a palindrome (151707151).

The spelling of 121205030 in words is "one hundred twenty-one million, two hundred five thousand, thirty".