126532541 has 8 divisors (see below), whose sum is σ = 128835960. Its totient is φ = 124250112.

The previous prime is 126532501. The next prime is 126532543. The reversal of 126532541 is 145235621.

It can be written as a sum of positive squares in 4 ways, for example, as 60025 + 126472516 = 245^2 + 11246^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 126532541 - 2⁶ = 126532477 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126532543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7181 + ... + 17453.

It is an arithmetic number, because the mean of its divisors is an integer number (16104495).

Almost surely, 2^126532541 is an apocalyptic number.

It is an amenable number.

126532541 is a deficient number, since it is larger than the sum of its proper divisors (2303419).

126532541 is a wasteful number, since it uses less digits than its factorization.

126532541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10495.

The product of its digits is 7200, while the sum is 29.

The square root of 126532541 is about 11248.6684100830. The cubic root of 126532541 is about 502.0350935504.

The spelling of 126532541 in words is "one hundred twenty-six million, five hundred thirty-two thousand, five hundred forty-one".