125671120 has 20 divisors (see below), whose sum is σ = 292185540. Its totient is φ = 50268416.

The previous prime is 125671099. The next prime is 125671127. The reversal of 125671120 is 21176521.

It can be written as a sum of positive squares in 2 ways, for example, as 31270464 + 94400656 = 5592^2 + 9716^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125671127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785365 + ... + 785524.

It is an arithmetic number, because the mean of its divisors is an integer number (14609277).

Almost surely, 2^125671120 is an apocalyptic number.

125671120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125671120 is an abundant number, since it is smaller than the sum of its proper divisors (166514420).

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

125671120 is a wasteful number, since it uses less digits than its factorization.

125671120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570902 (or 1570896 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 125671120 is about 11210.3131089189. The cubic root of 125671120 is about 500.8932299968.

The spelling of 125671120 in words is "one hundred twenty-five million, six hundred seventy-one thousand, one hundred twenty".