125234805 has 32 divisors (see below), whose sum is σ = 203374080. Its totient is φ = 65802240.

The previous prime is 125234783. The next prime is 125234807. The reversal of 125234805 is 508432521.

It is not a de Polignac number, because 125234805 - 2⁶ = 125234741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125234807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 523876 + ... + 524114.

It is an arithmetic number, because the mean of its divisors is an integer number (6355440).

Almost surely, 2^125234805 is an apocalyptic number.

125234805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125234805 is a deficient number, since it is larger than the sum of its proper divisors (78139275).

125234805 is a wasteful number, since it uses less digits than its factorization.

125234805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 125234805 is about 11190.8357596741. The cubic root of 125234805 is about 500.3128775078.

The spelling of 125234805 in words is "one hundred twenty-five million, two hundred thirty-four thousand, eight hundred five".