1123401201 has 16 divisors (see below), whose sum is σ = 1697989440. Its totient is φ = 654937920.

The previous prime is 1123401179. The next prime is 1123401203. The reversal of 1123401201 is 1021043211.

It is not a de Polignac number, because 1123401201 - 2¹⁰ = 1123400177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123401203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 757290 + ... + 758771.

It is an arithmetic number, because the mean of its divisors is an integer number (106124340).

Almost surely, 2^1123401201 is an apocalyptic number.

It is an amenable number.

1123401201 is a deficient number, since it is larger than the sum of its proper divisors (574588239).

1123401201 is a wasteful number, since it uses less digits than its factorization.

1123401201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516096.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1123401201 is about 33517.1777003972. The cubic root of 1123401201 is about 1039.5489911414.

Adding to 1123401201 its reverse (1021043211), we get a palindrome (2144444412).

The spelling of 1123401201 in words is "one billion, one hundred twenty-three million, four hundred one thousand, two hundred one".