121023030 has 16 divisors (see below), whose sum is σ = 290455344. Its totient is φ = 32272800.

The previous prime is 121023013. The next prime is 121023031. The reversal of 121023030 is 30320121.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121022997 and 121023015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121023031) 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, 2017021 + ... + 2017080.

It is an arithmetic number, because the mean of its divisors is an integer number (18153459).

Almost surely, 2^121023030 is an apocalyptic number.

121023030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121023030 is an abundant number, since it is smaller than the sum of its proper divisors (169432314).

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

121023030 is a wasteful number, since it uses less digits than its factorization.

121023030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4034111.

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

The square root of 121023030 is about 11001.0467683762. The cubic root of 121023030 is about 494.6401220571.

Adding to 121023030 its reverse (30320121), we get a palindrome (151343151).

The spelling of 121023030 in words is "one hundred twenty-one million, twenty-three thousand, thirty".