125292805 has 32 divisors (see below), whose sum is σ = 175488768. Its totient is φ = 84864000.

The previous prime is 125292787. The next prime is 125292809. The reversal of 125292805 is 508292521.

It is a happy number.

It is not a de Polignac number, because 125292805 - 2⁷ = 125292677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125292809) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95655 + ... + 96955.

It is an arithmetic number, because the mean of its divisors is an integer number (5484024).

Almost surely, 2^125292805 is an apocalyptic number.

It is an amenable number.

125292805 is a deficient number, since it is larger than the sum of its proper divisors (50195963).

125292805 is a wasteful number, since it uses less digits than its factorization.

125292805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 125292805 is about 11193.4268657994. The cubic root of 125292805 is about 500.3901022280.

The spelling of 125292805 in words is "one hundred twenty-five million, two hundred ninety-two thousand, eight hundred five".