121285370 has 16 divisors (see below), whose sum is σ = 223391520. Its totient is φ = 47385744.

The previous prime is 121285369. The next prime is 121285391. The reversal of 121285370 is 73582121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140600 + ... + 141459.

It is an arithmetic number, because the mean of its divisors is an integer number (13961970).

Almost surely, 2^121285370 is an apocalyptic number.

121285370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121285370 is a deficient number, since it is larger than the sum of its proper divisors (102106150).

121285370 is a wasteful number, since it uses less digits than its factorization.

121285370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282109.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 121285370 is about 11012.9637246293. The cubic root of 121285370 is about 494.9972723721.

The spelling of 121285370 in words is "one hundred twenty-one million, two hundred eighty-five thousand, three hundred seventy".