125420544 has 132 divisors (see below), whose sum is σ = 374682880. Its totient is φ = 40366080.

The previous prime is 125420521. The next prime is 125420567. The reversal of 125420544 is 445024521.

It is an interprime number because it is at equal distance from previous prime (125420521) and next prime (125420567).

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 285477 + ... + 285915.

Almost surely, 2^125420544 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 125420544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187341440).

125420544 is an abundant number, since it is smaller than the sum of its proper divisors (249262336).

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

125420544 is a wasteful number, since it uses less digits than its factorization.

125420544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 125420544 is about 11199.1313948895. The cubic root of 125420544 is about 500.5600976802.

The spelling of 125420544 in words is "one hundred twenty-five million, four hundred twenty thousand, five hundred forty-four".