125225020 has 48 divisors (see below), whose sum is σ = 271766880. Its totient is φ = 48432384.

The previous prime is 125225017. The next prime is 125225059. The reversal of 125225020 is 20522521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145351 + ... + 146209.

It is an arithmetic number, because the mean of its divisors is an integer number (5661810).

Almost surely, 2^125225020 is an apocalyptic number.

125225020 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 125225020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135883440).

125225020 is an abundant number, since it is smaller than the sum of its proper divisors (146541860).

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

125225020 is a wasteful number, since it uses less digits than its factorization.

125225020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 125225020 is about 11190.3985630540. The cubic root of 125225020 is about 500.2998468145.

Adding to 125225020 its reverse (20522521), we get a palindrome (145747541).

The spelling of 125225020 in words is "one hundred twenty-five million, two hundred twenty-five thousand, twenty".