125339629 has 4 divisors (see below), whose sum is σ = 125421184. Its totient is φ = 125258076.

The previous prime is 125339587. The next prime is 125339663. The reversal of 125339629 is 926933521.

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: 926933521 = 4049 ⋅228929.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125339629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125339591 and 125339600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125339429) 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, 38427 + ... + 41560.

It is an arithmetic number, because the mean of its divisors is an integer number (31355296).

Almost surely, 2^125339629 is an apocalyptic number.

It is an amenable number.

125339629 is a deficient number, since it is larger than the sum of its proper divisors (81555).

125339629 is an equidigital number, since it uses as much as digits as its factorization.

125339629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81554.

The product of its digits is 87480, while the sum is 40.

The square root of 125339629 is about 11195.5182550876. The cubic root of 125339629 is about 500.4524291589.

The spelling of 125339629 in words is "one hundred twenty-five million, three hundred thirty-nine thousand, six hundred twenty-nine".