1125233201 has 4 divisors (see below), whose sum is σ = 1131519600. Its totient is φ = 1118946804.

The previous prime is 1125233167. The next prime is 1125233237. The reversal of 1125233201 is 1023325211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1125233201 - 2¹⁰ = 1125232177 is a prime.

It is a super-2 number, since 2×1125233201² = 2532299513265412802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125233101) 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, 3142931 + ... + 3143288.

It is an arithmetic number, because the mean of its divisors is an integer number (282879900).

Almost surely, 2^1125233201 is an apocalyptic number.

It is an amenable number.

1125233201 is a deficient number, since it is larger than the sum of its proper divisors (6286399).

1125233201 is an equidigital number, since it uses as much as digits as its factorization.

1125233201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6286398.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1125233201 is about 33544.4958376184. The cubic root of 1125233201 is about 1040.1137699133.

Adding to 1125233201 its reverse (1023325211), we get a palindrome (2148558412).

The spelling of 1125233201 in words is "one billion, one hundred twenty-five million, two hundred thirty-three thousand, two hundred one".