121430108 has 12 divisors (see below), whose sum is σ = 217444920. Its totient is φ = 59302992.

The previous prime is 121430081. The next prime is 121430117. The reversal of 121430108 is 801034121.

It is a super-2 number, since 2×121430108² = 29490542257783328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121430108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352823 + ... + 353166.

It is an arithmetic number, because the mean of its divisors is an integer number (18120410).

Almost surely, 2^121430108 is an apocalyptic number.

It is an amenable number.

121430108 is a deficient number, since it is larger than the sum of its proper divisors (96014812).

121430108 is a wasteful number, since it uses less digits than its factorization.

121430108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706036 (or 706034 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 121430108 is about 11019.5330209587. The cubic root of 121430108 is about 495.1940986245.

Adding to 121430108 its reverse (801034121), we get a palindrome (922464229).

The spelling of 121430108 in words is "one hundred twenty-one million, four hundred thirty thousand, one hundred eight".