120000042025 has 12 divisors (see below), whose sum is σ = 148804703692. Its totient is φ = 95997032640.

The previous prime is 120000041969. The next prime is 120000042047. The reversal of 120000042025 is 520240000021.

It can be written as a sum of positive squares in 6 ways, for example, as 1115760409 + 118884281616 = 33403^2 + 344796^2 .

It is not a de Polignac number, because 120000042025 - 2²³ = 119991653417 is a prime.

It is a super-2 number, since 2×120000042025² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1104019 + ... + 1207831.

Almost surely, 2^120000042025 is an apocalyptic number.

It is an amenable number.

120000042025 is a deficient number, since it is larger than the sum of its proper divisors (28804661667).

120000042025 is a wasteful number, since it uses less digits than its factorization.

120000042025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150060 (or 150055 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 120000042025 its reverse (520240000021), we get a palindrome (640240042046).

The spelling of 120000042025 in words is "one hundred twenty billion, forty-two thousand, twenty-five".