4202261125 has 16 divisors (see below), whose sum is σ = 5386168944. Its totient is φ = 3270945600.

The previous prime is 4202261123. The next prime is 4202261149. The reversal of 4202261125 is 5211622024.

It can be written as a sum of positive squares in 8 ways, for example, as 1464669441 + 2737591684 = 38271^2 + 52322^2 .

It is not a de Polignac number, because 4202261125 - 2¹ = 4202261123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4202261125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202261123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449674 + ... + 458923.

It is an arithmetic number, because the mean of its divisors is an integer number (336635559).

Almost surely, 2^4202261125 is an apocalyptic number.

It is an amenable number.

4202261125 is a deficient number, since it is larger than the sum of its proper divisors (1183907819).

4202261125 is an equidigital number, since it uses as much as digits as its factorization.

4202261125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908649 (or 908639 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 4202261125 is about 64824.8495948892. The cubic root of 4202261125 is about 1613.7181308947.

Adding to 4202261125 its reverse (5211622024), we get a palindrome (9413883149).

The spelling of 4202261125 in words is "four billion, two hundred two million, two hundred sixty-one thousand, one hundred twenty-five".