4031122145 has 8 divisors (see below), whose sum is σ = 4840730856. Its totient is φ = 3222641536.

The previous prime is 4031122087. The next prime is 4031122159. The reversal of 4031122145 is 5412211304.

It can be written as a sum of positive squares in 4 ways, for example, as 1287876769 + 2743245376 = 35887^2 + 52376^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4031122145 - 2²⁸ = 3762686689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4031122145.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274142 + ... + 288471.

It is an arithmetic number, because the mean of its divisors is an integer number (605091357).

Almost surely, 2^4031122145 is an apocalyptic number.

It is an amenable number.

4031122145 is a deficient number, since it is larger than the sum of its proper divisors (809608711).

4031122145 is a wasteful number, since it uses less digits than its factorization.

4031122145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564051.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4031122145 is about 63491.1186308762. The cubic root of 4031122145 is about 1591.5073643491.

Adding to 4031122145 its reverse (5412211304), we get a palindrome (9443333449).

The spelling of 4031122145 in words is "four billion, thirty-one million, one hundred twenty-two thousand, one hundred forty-five".