4121545112 has 8 divisors (see below), whose sum is σ = 7727897100. Its totient is φ = 2060772552.

The previous prime is 4121545073. The next prime is 4121545117. The reversal of 4121545112 is 2115451214.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4121545112² = 33974268220502185088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121545117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257596562 + ... + 257596577.

Almost surely, 2^4121545112 is an apocalyptic number.

It is an amenable number.

4121545112 is a deficient number, since it is larger than the sum of its proper divisors (3606351988).

4121545112 is a wasteful number, since it uses less digits than its factorization.

4121545112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515193145 (or 515193141 counting only the distinct ones).

The product of its digits is 1600, while the sum is 26.

The square root of 4121545112 is about 64199.2609926314. The cubic root of 4121545112 is about 1603.3192956193.

Adding to 4121545112 its reverse (2115451214), we get a palindrome (6236996326).

The spelling of 4121545112 in words is "four billion, one hundred twenty-one million, five hundred forty-five thousand, one hundred twelve".