121302030 has 16 divisors (see below), whose sum is σ = 291124944. Its totient is φ = 32347200.

The previous prime is 121302029. The next prime is 121302031. The reversal of 121302030 is 30203121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121302029) and next prime (121302031).

It is a junction number, because it is equal to n+sod(n) for n = 121301997 and 121302015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121302031) 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, 2021671 + ... + 2021730.

It is an arithmetic number, because the mean of its divisors is an integer number (18195309).

Almost surely, 2^121302030 is an apocalyptic number.

121302030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121302030 is an abundant number, since it is smaller than the sum of its proper divisors (169822914).

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

121302030 is a wasteful number, since it uses less digits than its factorization.

121302030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043411.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 121302030 is about 11013.7200799730. The cubic root of 121302030 is about 495.0199359382.

Adding to 121302030 its reverse (30203121), we get a palindrome (151505151).

The spelling of 121302030 in words is "one hundred twenty-one million, three hundred two thousand, thirty".