125446530 has 32 divisors (see below), whose sum is σ = 328442688. Its totient is φ = 30411200.

The previous prime is 125446513. The next prime is 125446571. The reversal of 125446530 is 35644521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 189741 + ... + 190400.

It is an arithmetic number, because the mean of its divisors is an integer number (10263834).

Almost surely, 2^125446530 is an apocalyptic number.

125446530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125446530 is an abundant number, since it is smaller than the sum of its proper divisors (202996158).

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

125446530 is a wasteful number, since it uses less digits than its factorization.

125446530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380162.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 125446530 is about 11200.2915140634. The cubic root of 125446530 is about 500.5946657981.

The spelling of 125446530 in words is "one hundred twenty-five million, four hundred forty-six thousand, five hundred thirty".