121470210 has 24 divisors (see below), whose sum is σ = 315822780. Its totient is φ = 32392032.

The previous prime is 121470187. The next prime is 121470221. The reversal of 121470210 is 12074121.

It can be written as a sum of positive squares in 2 ways, for example, as 121286169 + 184041 = 11013^2 + 429^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 674745 + ... + 674924.

Almost surely, 2^121470210 is an apocalyptic number.

121470210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121470210 is an abundant number, since it is smaller than the sum of its proper divisors (194352570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121470210 is a wasteful number, since it uses less digits than its factorization.

121470210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349682 (or 1349679 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 121470210 is about 11021.3524578429. The cubic root of 121470210 is about 495.2486048432.

The spelling of 121470210 in words is "one hundred twenty-one million, four hundred seventy thousand, two hundred ten".