121423030 has 16 divisors (see below), whose sum is σ = 219472704. Its totient is φ = 48366720.

The previous prime is 121422997. The next prime is 121423069. The reversal of 121423030 is 30324121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121422995 and 121423013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22782 + ... + 27601.

It is an arithmetic number, because the mean of its divisors is an integer number (13717044).

Almost surely, 2^121423030 is an apocalyptic number.

121423030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121423030 is a deficient number, since it is larger than the sum of its proper divisors (98049674).

121423030 is a wasteful number, since it uses less digits than its factorization.

121423030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50631.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 121423030 is about 11019.2118592937. The cubic root of 121423030 is about 495.1844770350.

Adding to 121423030 its reverse (30324121), we get a palindrome (151747151).

The spelling of 121423030 in words is "one hundred twenty-one million, four hundred twenty-three thousand, thirty".