125501053 has 2 divisors, whose sum is σ = 125501054. Its totient is φ = 125501052.

The previous prime is 125501029. The next prime is 125501069. The reversal of 125501053 is 350105521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86899684 + 38601369 = 9322^2 + 6213^2 .

It is an emirp because it is prime and its reverse (350105521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125501053 - 2⁹ = 125500541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125501953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62750526 + 62750527.

It is an arithmetic number, because the mean of its divisors is an integer number (62750527).

Almost surely, 2^125501053 is an apocalyptic number.

It is an amenable number.

125501053 is a deficient number, since it is larger than the sum of its proper divisors (1).

125501053 is an equidigital number, since it uses as much as digits as its factorization.

125501053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 125501053 is about 11202.7252487955. The cubic root of 125501053 is about 500.6671800124.

Adding to 125501053 its reverse (350105521), we get a palindrome (475606574).

The spelling of 125501053 in words is "one hundred twenty-five million, five hundred one thousand, fifty-three".