121066740 has 36 divisors (see below), whose sum is σ = 367236324. Its totient is φ = 32284416.

The previous prime is 121066723. The next prime is 121066753. The reversal of 121066740 is 47660121.

It can be written as a sum of positive squares in 2 ways, for example, as 37234404 + 83832336 = 6102^2 + 9156^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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, 336117 + ... + 336476.

It is an arithmetic number, because the mean of its divisors is an integer number (10201009).

Almost surely, 2^121066740 is an apocalyptic number.

121066740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121066740 is an abundant number, since it is smaller than the sum of its proper divisors (246169584).

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

121066740 is a wasteful number, since it uses less digits than its factorization.

121066740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672608 (or 672603 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 121066740 is about 11003.0332181631. The cubic root of 121066740 is about 494.6996647665.

The spelling of 121066740 in words is "one hundred twenty-one million, sixty-six thousand, seven hundred forty".