122121130 has 8 divisors (see below), whose sum is σ = 219818052. Its totient is φ = 48848448.

The previous prime is 122121119. The next prime is 122121187. The reversal of 122121130 is 31121221.

It can be written as a sum of positive squares in 2 ways, for example, as 110649361 + 11471769 = 10519^2 + 3387^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 122121130.

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, 6106047 + ... + 6106066.

Almost surely, 2^122121130 is an apocalyptic number.

122121130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122121130 is a deficient number, since it is larger than the sum of its proper divisors (97696922).

122121130 is a wasteful number, since it uses less digits than its factorization.

122121130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12212120.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 122121130 is about 11050.8429542728. The cubic root of 122121130 is about 496.1316556727.

Adding to 122121130 its reverse (31121221), we get a palindrome (153242351).

Subtracting from 122121130 its reverse (31121221), we obtain a palindrome (90999909).

The spelling of 122121130 in words is "one hundred twenty-two million, one hundred twenty-one thousand, one hundred thirty".