4121121253 has 4 divisors (see below), whose sum is σ = 4123872000. Its totient is φ = 4118370508.

The previous prime is 4121121239. The next prime is 4121121269. The reversal of 4121121253 is 3521211214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4121121253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121121203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373125 + ... + 1376122.

It is an arithmetic number, because the mean of its divisors is an integer number (1030968000).

Almost surely, 2^4121121253 is an apocalyptic number.

It is an amenable number.

4121121253 is a deficient number, since it is larger than the sum of its proper divisors (2750747).

4121121253 is a wasteful number, since it uses less digits than its factorization.

4121121253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750746.

The product of its digits is 480, while the sum is 22.

The square root of 4121121253 is about 64195.9597872016. The cubic root of 4121121253 is about 1603.2643320404.

Adding to 4121121253 its reverse (3521211214), we get a palindrome (7642332467).

The spelling of 4121121253 in words is "four billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred fifty-three".