4120990 has 8 divisors (see below), whose sum is σ = 7417800. Its totient is φ = 1648392.

The previous prime is 4120981. The next prime is 4120993. The reversal of 4120990 is 990214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206040 + ... + 206059.

It is an arithmetic number, because the mean of its divisors is an integer number (927225).

Almost surely, 2^4120990 is an apocalyptic number.

4120990 is a deficient number, since it is larger than the sum of its proper divisors (3296810).

4120990 is a wasteful number, since it uses less digits than its factorization.

4120990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412106.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 4120990 is about 2030.0221673667. The cubic root of 4120990 is about 160.3247311148.

The spelling of 4120990 in words is "four million, one hundred twenty thousand, nine hundred ninety".