125404210 has 16 divisors (see below), whose sum is σ = 225902592. Its totient is φ = 50122800.

The previous prime is 125404193. The next prime is 125404217. The reversal of 125404210 is 12404521.

It is not an unprimeable number, because it can be changed into a prime (125404217) 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, 11215 + ... + 19405.

It is an arithmetic number, because the mean of its divisors is an integer number (14118912).

Almost surely, 2^125404210 is an apocalyptic number.

125404210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125404210 is a deficient number, since it is larger than the sum of its proper divisors (100498382).

125404210 is a wasteful number, since it uses less digits than its factorization.

125404210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9729.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 125404210 is about 11198.4021181595. The cubic root of 125404210 is about 500.5383667810.

Adding to 125404210 its reverse (12404521), we get a palindrome (137808731).

The spelling of 125404210 in words is "one hundred twenty-five million, four hundred four thousand, two hundred ten".