125920158 has 64 divisors (see below), whose sum is σ = 311711232. Its totient is φ = 33022080.

The previous prime is 125920153. The next prime is 125920169. The reversal of 125920158 is 851029521.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125920153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114660 + ... + 115752.

It is an arithmetic number, because the mean of its divisors is an integer number (4870488).

Almost surely, 2^125920158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125920158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155855616).

125920158 is an abundant number, since it is smaller than the sum of its proper divisors (185791074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125920158 is a wasteful number, since it uses less digits than its factorization.

125920158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 125920158 is about 11221.4151513969. The cubic root of 125920158 is about 501.2238791288.

Adding to 125920158 its reverse (851029521), we get a palindrome (976949679).

The spelling of 125920158 in words is "one hundred twenty-five million, nine hundred twenty thousand, one hundred fifty-eight".