126547285 has 4 divisors (see below), whose sum is σ = 151856748. Its totient is φ = 101237824.

The previous prime is 126547273. The next prime is 126547297. The reversal of 126547285 is 582745621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 582745621 = 47 ⋅12398843.

It is an interprime number because it is at equal distance from previous prime (126547273) and next prime (126547297).

It can be written as a sum of positive squares in 2 ways, for example, as 27783441 + 98763844 = 5271^2 + 9938^2 .

It is a cyclic number.

It is not a de Polignac number, because 126547285 - 2⁹ = 126546773 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12654724 + ... + 12654733.

It is an arithmetic number, because the mean of its divisors is an integer number (37964187).

Almost surely, 2^126547285 is an apocalyptic number.

It is an amenable number.

126547285 is a deficient number, since it is larger than the sum of its proper divisors (25309463).

126547285 is an equidigital number, since it uses as much as digits as its factorization.

126547285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25309462.

The product of its digits is 134400, while the sum is 40.

The square root of 126547285 is about 11249.3237574532. The cubic root of 126547285 is about 502.0545924026.

The spelling of 126547285 in words is "one hundred twenty-six million, five hundred forty-seven thousand, two hundred eighty-five".