1123141201 has 12 divisors (see below), whose sum is σ = 1407012852. Its totient is φ = 888638688.

The previous prime is 1123141181. The next prime is 1123141213. The reversal of 1123141201 is 1021413211.

It can be written as a sum of positive squares in 2 ways, for example, as 615089601 + 508051600 = 24801^2 + 22540^2 .

It is not a de Polignac number, because 1123141201 - 2¹⁷ = 1123010129 is a prime.

It is a super-2 number, since 2×1123141201² = 2522892314767444802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123141291) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 880950 + ... + 882223.

It is an arithmetic number, because the mean of its divisors is an integer number (117251071).

Almost surely, 2^1123141201 is an apocalyptic number.

It is an amenable number.

1123141201 is a deficient number, since it is larger than the sum of its proper divisors (283871651).

1123141201 is a wasteful number, since it uses less digits than its factorization.

1123141201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763200 (or 1763193 counting only the distinct ones).

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

The square root of 1123141201 is about 33513.2988677629. The cubic root of 1123141201 is about 1039.4687872061.

Adding to 1123141201 its reverse (1021413211), we get a palindrome (2144554412).

The spelling of 1123141201 in words is "one billion, one hundred twenty-three million, one hundred forty-one thousand, two hundred one".