4121120990 has 32 divisors (see below), whose sum is σ = 8650756800. Its totient is φ = 1412954592.

The previous prime is 4121120987. The next prime is 4121121001. The reversal of 4121120990 is 990211214.

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, 597317 + ... + 604176.

It is an arithmetic number, because the mean of its divisors is an integer number (270336150).

Almost surely, 2^4121120990 is an apocalyptic number.

4121120990 is an abundant number, since it is smaller than the sum of its proper divisors (4529635810).

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

4121120990 is a wasteful number, since it uses less digits than its factorization.

4121120990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201521 (or 1201507 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 29.

The square root of 4121120990 is about 64195.9577387860. The cubic root of 4121120990 is about 1603.2642979349.

The spelling of 4121120990 in words is "four billion, one hundred twenty-one million, one hundred twenty thousand, nine hundred ninety".