125065242771 has 16 divisors (see below), whose sum is σ = 191789470464. Its totient is φ = 71010654624.

The previous prime is 125065242767. The next prime is 125065242793. The reversal of 125065242771 is 177242560521.

It is not a de Polignac number, because 125065242771 - 2² = 125065242767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125065242871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18963225 + ... + 18969818.

It is an arithmetic number, because the mean of its divisors is an integer number (11986841904).

Almost surely, 2^125065242771 is an apocalyptic number.

125065242771 is a deficient number, since it is larger than the sum of its proper divisors (66724227693).

125065242771 is a wasteful number, since it uses less digits than its factorization.

125065242771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37933210.

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 125065242771 in words is "one hundred twenty-five billion, sixty-five million, two hundred forty-two thousand, seven hundred seventy-one".