125534205 has 40 divisors (see below), whose sum is σ = 238281912. Its totient is φ = 63009792.

The previous prime is 125534183. The next prime is 125534209. The reversal of 125534205 is 502435521.

It is a happy number.

125534205 is a `hidden beast` number, since 125 + 534 + 2 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 32970564 + 92563641 = 5742^2 + 9621^2 .

It is not a de Polignac number, because 125534205 - 2⁵ = 125534173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125534209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2232 + ... + 16001.

Almost surely, 2^125534205 is an apocalyptic number.

125534205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125534205 is a deficient number, since it is larger than the sum of its proper divisors (112747707).

125534205 is a wasteful number, since it uses less digits than its factorization.

125534205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18267 (or 18258 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 125534205 is about 11204.2047910595. The cubic root of 125534205 is about 500.7112610690.

Adding to 125534205 its reverse (502435521), we get a palindrome (627969726).

The spelling of 125534205 in words is "one hundred twenty-five million, five hundred thirty-four thousand, two hundred five".