4121987606 has 16 divisors (see below), whose sum is σ = 6770154960. Its totient is φ = 1866662880.

The previous prime is 4121987579. The next prime is 4121987609. The reversal of 4121987606 is 6067891214.

It is a super-2 number, since 2×4121987606² = 33981563648035222472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121987609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342341 + ... + 354176.

It is an arithmetic number, because the mean of its divisors is an integer number (423134685).

Almost surely, 2^4121987606 is an apocalyptic number.

4121987606 is a deficient number, since it is larger than the sum of its proper divisors (2648167354).

4121987606 is a wasteful number, since it uses less digits than its factorization.

4121987606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696799.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 4121987606 is about 64202.7071547610. The cubic root of 4121987606 is about 1603.3766716568.

The spelling of 4121987606 in words is "four billion, one hundred twenty-one million, nine hundred eighty-seven thousand, six hundred six".