125900545 has 32 divisors (see below), whose sum is σ = 161118720. Its totient is φ = 94325760.

The previous prime is 125900539. The next prime is 125900573. The reversal of 125900545 is 545009521.

It is not a de Polignac number, because 125900545 - 2¹³ = 125892353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 703266 + ... + 703444.

It is an arithmetic number, because the mean of its divisors is an integer number (5034960).

Almost surely, 2^125900545 is an apocalyptic number.

It is an amenable number.

125900545 is a deficient number, since it is larger than the sum of its proper divisors (35218175).

125900545 is a wasteful number, since it uses less digits than its factorization.

125900545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 125900545 is about 11220.5412079810. The cubic root of 125900545 is about 501.1978546634.

The spelling of 125900545 in words is "one hundred twenty-five million, nine hundred thousand, five hundred forty-five".