121606310 has 32 divisors (see below), whose sum is σ = 252149760. Its totient is φ = 41362272.

The previous prime is 121606297. The next prime is 121606339. The reversal of 121606310 is 13606121.

It is a super-2 number, since 2×121606310² = 29576189263632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2051 + ... + 15729.

It is an arithmetic number, because the mean of its divisors is an integer number (7879680).

Almost surely, 2^121606310 is an apocalyptic number.

121606310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121606310 is an abundant number, since it is smaller than the sum of its proper divisors (130543450).

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

121606310 is a wasteful number, since it uses less digits than its factorization.

121606310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13820.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 121606310 is about 11027.5251076567. The cubic root of 121606310 is about 495.4335011428.

The spelling of 121606310 in words is "one hundred twenty-one million, six hundred six thousand, three hundred ten".