125605552 has 40 divisors (see below), whose sum is σ = 254725760. Its totient is φ = 59927040.

The previous prime is 125605541. The next prime is 125605559. The reversal of 125605552 is 255506521.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125605559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34474 + ... + 37942.

It is an arithmetic number, because the mean of its divisors is an integer number (6368144).

Almost surely, 2^125605552 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 125605552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127362880).

125605552 is an abundant number, since it is smaller than the sum of its proper divisors (129120208).

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

125605552 is a wasteful number, since it uses less digits than its factorization.

125605552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581 (or 3575 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 125605552 is about 11207.3882773820. The cubic root of 125605552 is about 500.8061023662.

The spelling of 125605552 in words is "one hundred twenty-five million, six hundred five thousand, five hundred fifty-two".