125168349 has 4 divisors (see below), whose sum is σ = 166891136. Its totient is φ = 83445564.

The previous prime is 125168347. The next prime is 125168357. The reversal of 125168349 is 943861521.

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.

It is not a de Polignac number, because 125168349 - 2¹ = 125168347 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 (125168341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20861389 + ... + 20861394.

It is an arithmetic number, because the mean of its divisors is an integer number (41722784).

Almost surely, 2^125168349 is an apocalyptic number.

It is an amenable number.

125168349 is a deficient number, since it is larger than the sum of its proper divisors (41722787).

125168349 is an equidigital number, since it uses as much as digits as its factorization.

125168349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41722786.

The product of its digits is 51840, while the sum is 39.

The square root of 125168349 is about 11187.8661504328. The cubic root of 125168349 is about 500.2243646393.

The spelling of 125168349 in words is "one hundred twenty-five million, one hundred sixty-eight thousand, three hundred forty-nine".