125065242787 has 8 divisors (see below), whose sum is σ = 125533557072. Its totient is φ = 124597324800.

The previous prime is 125065242767. The next prime is 125065242793. The reversal of 125065242787 is 787242560521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125065242787 - 2²³ = 125056854179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125065242787.

It is not an unprimeable number, because it can be changed into a prime (125065242767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540987 + ... + 736747.

It is an arithmetic number, because the mean of its divisors is an integer number (15691694634).

Almost surely, 2^125065242787 is an apocalyptic number.

125065242787 is a deficient number, since it is larger than the sum of its proper divisors (468314285).

125065242787 is a wasteful number, since it uses less digits than its factorization.

125065242787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198149.

The product of its (nonzero) digits is 1881600, while the sum is 49.

The spelling of 125065242787 in words is "one hundred twenty-five billion, sixty-five million, two hundred forty-two thousand, seven hundred eighty-seven".