125379029 has 8 divisors (see below), whose sum is σ = 133002648. Its totient is φ = 117783040.

The previous prime is 125379019. The next prime is 125379041. The reversal of 125379029 is 920973521.

It can be written as a sum of positive squares in 4 ways, for example, as 46648900 + 78730129 = 6830^2 + 8873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125379029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125378983 and 125379001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125379019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2849 + ... + 16089.

It is an arithmetic number, because the mean of its divisors is an integer number (16625331).

Almost surely, 2^125379029 is an apocalyptic number.

It is an amenable number.

125379029 is a deficient number, since it is larger than the sum of its proper divisors (7623619).

125379029 is a wasteful number, since it uses less digits than its factorization.

125379029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13815.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 125379029 is about 11197.2777495247. The cubic root of 125379029 is about 500.5048620570.

The spelling of 125379029 in words is "one hundred twenty-five million, three hundred seventy-nine thousand, twenty-nine".