126432053 has 6 divisors (see below), whose sum is σ = 138970902. Its totient is φ = 114938120.

The previous prime is 126432049. The next prime is 126432073. The reversal of 126432053 is 350234621.

It can be written as a sum of positive squares in only one way, i.e., 80964004 + 45468049 = 8998^2 + 6743^2 .

It is not a de Polignac number, because 126432053 - 2² = 126432049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126432073) 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, 522326 + ... + 522567.

It is an arithmetic number, because the mean of its divisors is an integer number (23161817).

Almost surely, 2^126432053 is an apocalyptic number.

It is an amenable number.

126432053 is a deficient number, since it is larger than the sum of its proper divisors (12538849).

126432053 is a wasteful number, since it uses less digits than its factorization.

126432053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044915 (or 1044904 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 126432053 is about 11244.2008608882. The cubic root of 126432053 is about 501.9021584102.

Adding to 126432053 its reverse (350234621), we get a palindrome (476666674).

The spelling of 126432053 in words is "one hundred twenty-six million, four hundred thirty-two thousand, fifty-three".