1125233101 has 2 divisors, whose sum is σ = 1125233102. Its totient is φ = 1125233100.

The previous prime is 1125233099. The next prime is 1125233107. The reversal of 1125233101 is 1013325211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 951784201 + 173448900 = 30851^2 + 13170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125233101 - 2¹ = 1125233099 is a prime.

It is a super-2 number, since 2×1125233101² = 2532299063172152402, which contains 22 as substring.

Together with 1125233099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125233107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562616550 + 562616551.

It is an arithmetic number, because the mean of its divisors is an integer number (562616551).

Almost surely, 2^1125233101 is an apocalyptic number.

It is an amenable number.

1125233101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125233101 is an equidigital number, since it uses as much as digits as its factorization.

1125233101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1125233101 is about 33544.4943470609. The cubic root of 1125233101 is about 1040.1137391015.

Adding to 1125233101 its reverse (1013325211), we get a palindrome (2138558312).

The spelling of 1125233101 in words is "one billion, one hundred twenty-five million, two hundred thirty-three thousand, one hundred one".