4056121003 has 16 divisors (see below), whose sum is σ = 4591337472. Its totient is φ = 3549888000.

The previous prime is 4056120997. The next prime is 4056121033. The reversal of 4056121003 is 3001216504.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4056121003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4056121033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34998 + ... + 96628.

It is an arithmetic number, because the mean of its divisors is an integer number (286958592).

Almost surely, 2^4056121003 is an apocalyptic number.

4056121003 is a deficient number, since it is larger than the sum of its proper divisors (535216469).

4056121003 is a wasteful number, since it uses less digits than its factorization.

4056121003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61866.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 4056121003 is about 63687.6832911985. The cubic root of 4056121003 is about 1594.7904787298.

Adding to 4056121003 its reverse (3001216504), we get a palindrome (7057337507).

The spelling of 4056121003 in words is "four billion, fifty-six million, one hundred twenty-one thousand, three".