4250055121 has 8 divisors (see below), whose sum is σ = 4688616744. Its totient is φ = 3827441280.

The previous prime is 4250055119. The next prime is 4250055137. The reversal of 4250055121 is 1215500524.

It can be written as a sum of positive squares in 4 ways, for example, as 193766400 + 4056288721 = 13920^2 + 63689^2 .

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

It is not a de Polignac number, because 4250055121 - 2¹ = 4250055119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4250055221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3986386 + ... + 3987451.

It is an arithmetic number, because the mean of its divisors is an integer number (586077093).

Almost surely, 2^4250055121 is an apocalyptic number.

4250055121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4250055121 is a deficient number, since it is larger than the sum of its proper divisors (438561623).

4250055121 is a wasteful number, since it uses less digits than its factorization.

4250055121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7973891.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 4250055121 is about 65192.4468094272. The cubic root of 4250055121 is about 1619.8129033787.

Adding to 4250055121 its reverse (1215500524), we get a palindrome (5465555645).

The spelling of 4250055121 in words is "four billion, two hundred fifty million, fifty-five thousand, one hundred twenty-one".