126546625 has 8 divisors (see below), whose sum is σ = 157930344. Its totient is φ = 101237200.

The previous prime is 126546601. The next prime is 126546643. The reversal of 126546625 is 526645621.

It can be written as a sum of positive squares in 4 ways, for example, as 1263376 + 125283249 = 1124^2 + 11193^2 .

It is not a de Polignac number, because 126546625 - 2¹⁵ = 126513857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 506062 + ... + 506311.

It is an arithmetic number, because the mean of its divisors is an integer number (19741293).

Almost surely, 2^126546625 is an apocalyptic number.

It is an amenable number.

126546625 is a deficient number, since it is larger than the sum of its proper divisors (31383719).

126546625 is an equidigital number, since it uses as much as digits as its factorization.

126546625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012388 (or 1012378 counting only the distinct ones).

The product of its digits is 86400, while the sum is 37.

The square root of 126546625 is about 11249.2944223182. The cubic root of 126546625 is about 502.0537195889.

The spelling of 126546625 in words is "one hundred twenty-six million, five hundred forty-six thousand, six hundred twenty-five".