125213028 has 24 divisors (see below), whose sum is σ = 292350240. Its totient is φ = 41711040.

The previous prime is 125213027. The next prime is 125213047. The reversal of 125213028 is 820312521.

It is a junction number, because it is equal to n+sod(n) for n = 125212989 and 125213007.

It is not an unprimeable number, because it can be changed into a prime (125213027) 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, 28183 + ... + 32321.

It is an arithmetic number, because the mean of its divisors is an integer number (12181260).

Almost surely, 2^125213028 is an apocalyptic number.

It is an amenable number.

125213028 is an abundant number, since it is smaller than the sum of its proper divisors (167137212).

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

125213028 is a wasteful number, since it uses less digits than its factorization.

125213028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6667 (or 6665 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 125213028 is about 11189.8627337425. The cubic root of 125213028 is about 500.2838761315.

Adding to 125213028 its reverse (820312521), we get a palindrome (945525549).

The spelling of 125213028 in words is "one hundred twenty-five million, two hundred thirteen thousand, twenty-eight".