126135033 has 4 divisors (see below), whose sum is σ = 168180048. Its totient is φ = 84090020.

The previous prime is 126135029. The next prime is 126135041. The reversal of 126135033 is 330531621.

It is a happy number.

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 126135033 - 2² = 126135029 is a prime.

It is a super-2 number, since 2×126135033² = 31820093099822178, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 126134994 and 126135012.

It is not an unprimeable number, because it can be changed into a prime (126135043) 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, 21022503 + ... + 21022508.

It is an arithmetic number, because the mean of its divisors is an integer number (42045012).

Almost surely, 2^126135033 is an apocalyptic number.

It is an amenable number.

126135033 is a deficient number, since it is larger than the sum of its proper divisors (42045015).

126135033 is an equidigital number, since it uses as much as digits as its factorization.

126135033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42045014.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 126135033 is about 11230.9853975508. The cubic root of 126135033 is about 501.5088196798.

Adding to 126135033 its reverse (330531621), we get a palindrome (456666654).

The spelling of 126135033 in words is "one hundred twenty-six million, one hundred thirty-five thousand, thirty-three".