125255020 has 48 divisors (see below), whose sum is σ = 289271808. Its totient is φ = 45178560.

The previous prime is 125255003. The next prime is 125255029. The reversal of 125255020 is 20552521.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 125254982 and 125255000.

It is not an unprimeable number, because it can be changed into a prime (125255029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25699 + ... + 30181.

It is an arithmetic number, because the mean of its divisors is an integer number (6026496).

Almost surely, 2^125255020 is an apocalyptic number.

125255020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125255020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144635904).

125255020 is an abundant number, since it is smaller than the sum of its proper divisors (164016788).

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

125255020 is a wasteful number, since it uses less digits than its factorization.

125255020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630 (or 4628 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 125255020 is about 11191.7389176124. The cubic root of 125255020 is about 500.3397956921.

The spelling of 125255020 in words is "one hundred twenty-five million, two hundred fifty-five thousand, twenty".