126133151 has 4 divisors (see below), whose sum is σ = 130482600. Its totient is φ = 121783704.

The previous prime is 126133109. The next prime is 126133157. The reversal of 126133151 is 151331621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151331621 = 7 ⋅21618803.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126133151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126133157) 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, 2174681 + ... + 2174738.

It is an arithmetic number, because the mean of its divisors is an integer number (32620650).

Almost surely, 2^126133151 is an apocalyptic number.

126133151 is a deficient number, since it is larger than the sum of its proper divisors (4349449).

126133151 is an equidigital number, since it uses as much as digits as its factorization.

126133151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349448.

The product of its digits is 540, while the sum is 23.

The square root of 126133151 is about 11230.9016111798. The cubic root of 126133151 is about 501.5063254103.

Adding to 126133151 its reverse (151331621), we get a palindrome (277464772).

The spelling of 126133151 in words is "one hundred twenty-six million, one hundred thirty-three thousand, one hundred fifty-one".