4160121001 has 3 divisors (see below), whose sum is σ = 4160185501. Its totient is φ = 4160056502.

The previous prime is 4160120999. The next prime is 4160121013. The reversal of 4160121001 is 1001210614.

The square root of 4160121001 is 64499.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 4160121001 - 2¹ = 4160120999 is a prime.

It is a super-2 number, since 2×4160121001² = 34613213485922484002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4160121061) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 32250 + ... + 96748.

Almost surely, 2^4160121001 is an apocalyptic number.

4160121001 is the 64499-th square number.

4160121001 is the 32250-th centered octagonal number.

It is an amenable number.

4160121001 is a deficient number, since it is larger than the sum of its proper divisors (64500).

4160121001 is an frugal number, since it uses more digits than its factorization.

4160121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128998 (or 64499 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The cubic root of 4160121001 is about 1608.3058966126.

Multiplying 4160121001 by its sum of digits (16), we get a square (66561936016 = 257996²).

Adding to 4160121001 its reverse (1001210614), we get a palindrome (5161331615).

The spelling of 4160121001 in words is "four billion, one hundred sixty million, one hundred twenty-one thousand, one".