126167551 has 8 divisors (see below), whose sum is σ = 131393664. Its totient is φ = 121013760.

The previous prime is 126167539. The next prime is 126167563. The reversal of 126167551 is 155761621.

It is an interprime number because it is at equal distance from previous prime (126167539) and next prime (126167563).

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

It is a cyclic number.

It is not a de Polignac number, because 126167551 - 2⁷ = 126167423 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 (126167501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14506 + ... + 21511.

It is an arithmetic number, because the mean of its divisors is an integer number (16424208).

Almost surely, 2^126167551 is an apocalyptic number.

126167551 is a deficient number, since it is larger than the sum of its proper divisors (5226113).

126167551 is a wasteful number, since it uses less digits than its factorization.

126167551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36161.

The product of its digits is 12600, while the sum is 34.

The square root of 126167551 is about 11232.4329955714. The cubic root of 126167551 is about 501.5519128163.

The spelling of 126167551 in words is "one hundred twenty-six million, one hundred sixty-seven thousand, five hundred fifty-one".