126678143 has 4 divisors (see below), whose sum is σ = 126701400. Its totient is φ = 126654888.

The previous prime is 126678131. The next prime is 126678157. The reversal of 126678143 is 341876621.

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

It is a cyclic number.

It is not a de Polignac number, because 126678143 - 2²⁴ = 109900927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126678097 and 126678106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126678103) 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, 1433 + ... + 15981.

It is an arithmetic number, because the mean of its divisors is an integer number (31675350).

Almost surely, 2^126678143 is an apocalyptic number.

126678143 is a deficient number, since it is larger than the sum of its proper divisors (23257).

126678143 is an equidigital number, since it uses as much as digits as its factorization.

126678143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23256.

The product of its digits is 48384, while the sum is 38.

The square root of 126678143 is about 11255.1385153627. The cubic root of 126678143 is about 502.2275849921.

The spelling of 126678143 in words is "one hundred twenty-six million, six hundred seventy-eight thousand, one hundred forty-three".