126051143 has 4 divisors (see below), whose sum is σ = 126425520. Its totient is φ = 125676768.

The previous prime is 126051137. The next prime is 126051157. The reversal of 126051143 is 341150621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126051143 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 (126051743) 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, 186683 + ... + 187356.

It is an arithmetic number, because the mean of its divisors is an integer number (31606380).

Almost surely, 2^126051143 is an apocalyptic number.

126051143 is a deficient number, since it is larger than the sum of its proper divisors (374377).

126051143 is an equidigital number, since it uses as much as digits as its factorization.

126051143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374376.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 126051143 is about 11227.2500194838. The cubic root of 126051143 is about 501.3976137118.

The spelling of 126051143 in words is "one hundred twenty-six million, fifty-one thousand, one hundred forty-three".