125953349 has 4 divisors (see below), whose sum is σ = 128018220. Its totient is φ = 123888480.

The previous prime is 125953339. The next prime is 125953379. The reversal of 125953349 is 943359521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19492225 + 106461124 = 4415^2 + 10318^2 .

It is a cyclic number.

It is not a de Polignac number, because 125953349 - 2¹⁶ = 125887813 is a prime.

It is a super-2 number, since 2×125953349² = 31728492248631602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125953319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032344 + ... + 1032465.

It is an arithmetic number, because the mean of its divisors is an integer number (32004555).

Almost surely, 2^125953349 is an apocalyptic number.

It is an amenable number.

125953349 is a deficient number, since it is larger than the sum of its proper divisors (2064871).

125953349 is an equidigital number, since it uses as much as digits as its factorization.

125953349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064870.

The product of its digits is 145800, while the sum is 41.

The square root of 125953349 is about 11222.8939672439. The cubic root of 125953349 is about 501.2679140701.

The spelling of 125953349 in words is "one hundred twenty-five million, nine hundred fifty-three thousand, three hundred forty-nine".