125221032 has 64 divisors (see below), whose sum is σ = 348753600. Its totient is φ = 41630400.

The previous prime is 125221009. The next prime is 125221037. The reversal of 125221032 is 230122521.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 125220996 and 125221014.

It is not an unprimeable number, because it can be changed into a prime (125221037) 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, 151003 + ... + 151829.

It is an arithmetic number, because the mean of its divisors is an integer number (5449275).

Almost surely, 2^125221032 is an apocalyptic number.

125221032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125221032 is an abundant number, since it is smaller than the sum of its proper divisors (223532568).

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

125221032 is a wasteful number, since it uses less digits than its factorization.

125221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 125221032 is about 11190.2203731651. The cubic root of 125221032 is about 500.2945357966.

Adding to 125221032 its reverse (230122521), we get a palindrome (355343553).

The spelling of 125221032 in words is "one hundred twenty-five million, two hundred twenty-one thousand, thirty-two".