121870130 has 8 divisors (see below), whose sum is σ = 219366252. Its totient is φ = 48748048.

The previous prime is 121870129. The next prime is 121870157. The reversal of 121870130 is 31078121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121859521 + 10609 = 11039^2 + 103^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 121870096 and 121870105.

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, 6093497 + ... + 6093516.

Almost surely, 2^121870130 is an apocalyptic number.

121870130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121870130 is a deficient number, since it is larger than the sum of its proper divisors (97496122).

121870130 is a wasteful number, since it uses less digits than its factorization.

121870130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12187020.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 121870130 is about 11039.4805131401. The cubic root of 121870130 is about 495.7915167208.

The spelling of 121870130 in words is "one hundred twenty-one million, eight hundred seventy thousand, one hundred thirty".