126525053 has 4 divisors (see below), whose sum is σ = 128307168. Its totient is φ = 124742940.

The previous prime is 126525017. The next prime is 126525079. The reversal of 126525053 is 350525621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 350525621 = 1447 ⋅242243.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126525053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126545053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 890951 + ... + 891092.

It is an arithmetic number, because the mean of its divisors is an integer number (32076792).

Almost surely, 2^126525053 is an apocalyptic number.

It is an amenable number.

126525053 is a deficient number, since it is larger than the sum of its proper divisors (1782115).

126525053 is an equidigital number, since it uses as much as digits as its factorization.

126525053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782114.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 126525053 is about 11248.3355657626. The cubic root of 126525053 is about 502.0251901350.

The spelling of 126525053 in words is "one hundred twenty-six million, five hundred twenty-five thousand, fifty-three".