126726151 has 4 divisors (see below), whose sum is σ = 126775000. Its totient is φ = 126677304.

The previous prime is 126726091. The next prime is 126726163. The reversal of 126726151 is 151627621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 151627621 = 1567 ⋅96763.

It is a cyclic number.

It is not a de Polignac number, because 126726151 - 2⁷ = 126726023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126720151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20301 + ... + 25798.

It is an arithmetic number, because the mean of its divisors is an integer number (31693750).

Almost surely, 2^126726151 is an apocalyptic number.

126726151 is a deficient number, since it is larger than the sum of its proper divisors (48849).

126726151 is an equidigital number, since it uses as much as digits as its factorization.

126726151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48848.

The product of its digits is 5040, while the sum is 31.

The square root of 126726151 is about 11257.2710280956. The cubic root of 126726151 is about 502.2910210781.

The spelling of 126726151 in words is "one hundred twenty-six million, seven hundred twenty-six thousand, one hundred fifty-one".