125571027 has 16 divisors (see below), whose sum is σ = 178941312. Its totient is φ = 78049920.

The previous prime is 125571013. The next prime is 125571029. The reversal of 125571027 is 720175521.

It is not a de Polignac number, because 125571027 - 2¹⁶ = 125505491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125570985 and 125571003.

It is not an unprimeable number, because it can be changed into a prime (125571029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6049 + ... + 16962.

It is an arithmetic number, because the mean of its divisors is an integer number (11183832).

Almost surely, 2^125571027 is an apocalyptic number.

125571027 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125571027 is a deficient number, since it is larger than the sum of its proper divisors (53370285).

125571027 is a wasteful number, since it uses less digits than its factorization.

125571027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23138.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 125571027 is about 11205.8478929530. The cubic root of 125571027 is about 500.7602129002.

The spelling of 125571027 in words is "one hundred twenty-five million, five hundred seventy-one thousand, twenty-seven".