126531033 has 8 divisors (see below), whose sum is σ = 170604000. Its totient is φ = 83406048.

The previous prime is 126531023. The next prime is 126531037. The reversal of 126531033 is 330135621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126531033 - 2⁵ = 126531001 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126530994 and 126531012.

It is not an unprimeable number, because it can be changed into a prime (126531037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236683 + ... + 237216.

It is an arithmetic number, because the mean of its divisors is an integer number (21325500).

Almost surely, 2^126531033 is an apocalyptic number.

It is an amenable number.

126531033 is a deficient number, since it is larger than the sum of its proper divisors (44072967).

126531033 is an equidigital number, since it uses as much as digits as its factorization.

126531033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473991.

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

The square root of 126531033 is about 11248.6013797272. The cubic root of 126531033 is about 502.0330991440.

Adding to 126531033 its reverse (330135621), we get a palindrome (456666654).

The spelling of 126531033 in words is "one hundred twenty-six million, five hundred thirty-one thousand, thirty-three".