4201121024 has 18 divisors (see below), whose sum is σ = 8385831930. Its totient is φ = 2100560384.

The previous prime is 4201120997. The next prime is 4201121059. The reversal of 4201121024 is 4201211024.

It can be written as a sum of positive squares in only one way, i.e., 2729017600 + 1472103424 = 52240^2 + 38368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4201120993 and 4201121011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8205059 + ... + 8205570.

Almost surely, 2^4201121024 is an apocalyptic number.

It is an amenable number.

4201121024 is a deficient number, since it is larger than the sum of its proper divisors (4184710906).

4201121024 is an equidigital number, since it uses as much as digits as its factorization.

4201121024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16410645 (or 16410631 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 4201121024 is about 64816.0552949653. The cubic root of 4201121024 is about 1613.5721802578.

Adding to 4201121024 its reverse (4201211024), we get a palindrome (8402332048).

Subtracting 4201121024 from its reverse (4201211024), we obtain a square (90000 = 300²).

The spelling of 4201121024 in words is "four billion, two hundred one million, one hundred twenty-one thousand, twenty-four".