125231104 has 28 divisors (see below), whose sum is σ = 250463304. Its totient is φ = 62611456.

The previous prime is 125231101. The next prime is 125231123. The reversal of 125231104 is 401132521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125231101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549 + ... + 15835.

It is an arithmetic number, because the mean of its divisors is an integer number (8945118).

Almost surely, 2^125231104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125231104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125231652).

125231104 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

125231104 is an frugal number, since it uses more digits than its factorization.

125231104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15313 (or 15289 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 125231104 is about 11190.6703999358. The cubic root of 125231104 is about 500.3079489626.

Adding to 125231104 its reverse (401132521), we get a palindrome (526363625).

The spelling of 125231104 in words is "one hundred twenty-five million, two hundred thirty-one thousand, one hundred four".