125181072 has 40 divisors (see below), whose sum is σ = 359317280. Its totient is φ = 41726880.

The previous prime is 125181059. The next prime is 125181079. The reversal of 125181072 is 270181521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (125181079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144454 + ... + 145317.

It is an arithmetic number, because the mean of its divisors is an integer number (8982932).

Almost surely, 2^125181072 is an apocalyptic number.

125181072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125181072 is an abundant number, since it is smaller than the sum of its proper divisors (234136208).

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

125181072 is a wasteful number, since it uses less digits than its factorization.

125181072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289788 (or 289776 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 125181072 is about 11188.4347430729. The cubic root of 125181072 is about 500.2413128508.

The spelling of 125181072 in words is "one hundred twenty-five million, one hundred eighty-one thousand, seventy-two".