4120998025 has 27 divisors (see below), whose sum is σ = 5267058069. Its totient is φ = 3198451680.

The previous prime is 4120998001. The next prime is 4120998029. The reversal of 4120998025 is 5208990214.

The square root of 4120998025 is 64195.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 391208841 + 3729789184 = 19779^2 + 61072^2 .

It is not a de Polignac number, because 4120998025 - 2¹⁹ = 4120473737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4120998029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11875902 + ... + 11876248.

Almost surely, 2^4120998025 is an apocalyptic number.

4120998025 is the 64195-th square number.

4120998025 is the 32098-th centered octagonal number.

It is an amenable number.

4120998025 is a deficient number, since it is larger than the sum of its proper divisors (1146060044).

4120998025 is an frugal number, since it uses more digits than its factorization.

4120998025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The cubic root of 4120998025 is about 1603.2483518403.

The spelling of 4120998025 in words is "four billion, one hundred twenty million, nine hundred ninety-eight thousand, twenty-five".