126867853 has 4 divisors (see below), whose sum is σ = 144991840. Its totient is φ = 108743868.

The previous prime is 126867833. The next prime is 126867859. The reversal of 126867853 is 358768621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 358768621 = 19 ⋅18882559.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126867853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126867859) 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 3 ways as a sum of consecutive naturals, for example, 9061983 + ... + 9061996.

It is an arithmetic number, because the mean of its divisors is an integer number (36247960).

Almost surely, 2^126867853 is an apocalyptic number.

It is an amenable number.

126867853 is a deficient number, since it is larger than the sum of its proper divisors (18123987).

126867853 is an equidigital number, since it uses as much as digits as its factorization.

126867853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18123986.

The product of its digits is 483840, while the sum is 46.

The square root of 126867853 is about 11263.5630685854. The cubic root of 126867853 is about 502.4781677437.

The spelling of 126867853 in words is "one hundred twenty-six million, eight hundred sixty-seven thousand, eight hundred fifty-three".