4203120401 has 4 divisors (see below), whose sum is σ = 4204342500. Its totient is φ = 4201898304.

The previous prime is 4203120391. The next prime is 4203120431. The reversal of 4203120401 is 1040213024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1899216400 + 2303904001 = 43580^2 + 47999^2 .

It is a cyclic number.

It is not a de Polignac number, because 4203120401 - 2²² = 4198926097 is a prime.

It is a super-2 number, since 2×4203120401² = 35332442210604801602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4203120401.

It is not an unprimeable number, because it can be changed into a prime (4203120431) 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, 605876 + ... + 612773.

It is an arithmetic number, because the mean of its divisors is an integer number (1051085625).

Almost surely, 2^4203120401 is an apocalyptic number.

It is an amenable number.

4203120401 is a deficient number, since it is larger than the sum of its proper divisors (1222099).

4203120401 is a wasteful number, since it uses less digits than its factorization.

4203120401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222098.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 4203120401 is about 64831.4769305775. The cubic root of 4203120401 is about 1613.8281141250.

Adding to 4203120401 its reverse (1040213024), we get a palindrome (5243333425).

The spelling of 4203120401 in words is "four billion, two hundred three million, one hundred twenty thousand, four hundred one".