2056263121 has 8 divisors (see below), whose sum is σ = 2243863584. Its totient is φ = 1868773920.

The previous prime is 2056263107. The next prime is 2056263149. The reversal of 2056263121 is 1213626502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2056263121 - 2⁷ = 2056262993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056263121.

It is not an unprimeable number, because it can be changed into a prime (2056263721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13510 + ... + 65536.

It is an arithmetic number, because the mean of its divisors is an integer number (280482948).

Almost surely, 2^2056263121 is an apocalyptic number.

It is an amenable number.

2056263121 is a deficient number, since it is larger than the sum of its proper divisors (187600463).

2056263121 is a wasteful number, since it uses less digits than its factorization.

2056263121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55631.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2056263121 is about 45346.0375446411. The cubic root of 2056263121 is about 1271.6264776924.

Adding to 2056263121 its reverse (1213626502), we get a palindrome (3269889623).

The spelling of 2056263121 in words is "two billion, fifty-six million, two hundred sixty-three thousand, one hundred twenty-one".