126553325 has 6 divisors (see below), whose sum is σ = 156926154. Its totient is φ = 101242640.

The previous prime is 126553313. The next prime is 126553327. The reversal of 126553325 is 523355621.

It can be written as a sum of positive squares in 3 ways, for example, as 1247689 + 125305636 = 1117^2 + 11194^2 .

It is not a de Polignac number, because 126553325 - 2⁴ = 126553309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 126553291 and 126553300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126553327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2531042 + ... + 2531091.

It is an arithmetic number, because the mean of its divisors is an integer number (26154359).

Almost surely, 2^126553325 is an apocalyptic number.

It is an amenable number.

126553325 is a deficient number, since it is larger than the sum of its proper divisors (30372829).

126553325 is an equidigital number, since it uses as much as digits as its factorization.

126553325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5062143 (or 5062138 counting only the distinct ones).

The product of its digits is 27000, while the sum is 32.

The square root of 126553325 is about 11249.5922148316. The cubic root of 126553325 is about 502.0625798293.

The spelling of 126553325 in words is "one hundred twenty-six million, five hundred fifty-three thousand, three hundred twenty-five".