121023130 has 32 divisors (see below), whose sum is σ = 222264000. Its totient is φ = 47436672.

The previous prime is 121023083. The next prime is 121023143. The reversal of 121023130 is 31320121.

It is a self number, because there is not a number n which added to its sum of digits gives 121023130.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114846 + ... + 115894.

It is an arithmetic number, because the mean of its divisors is an integer number (6945750).

Almost surely, 2^121023130 is an apocalyptic number.

121023130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121023130 is a deficient number, since it is larger than the sum of its proper divisors (101240870).

121023130 is a wasteful number, since it uses less digits than its factorization.

121023130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 121023130 is about 11001.0513133973. The cubic root of 121023130 is about 494.6402582956.

Adding to 121023130 its reverse (31320121), we get a palindrome (152343251).

The spelling of 121023130 in words is "one hundred twenty-one million, twenty-three thousand, one hundred thirty".