125236315078 has 16 divisors (see below), whose sum is σ = 217277464320. Its totient is φ = 53026046856.

The previous prime is 125236315033. The next prime is 125236315121. The reversal of 125236315078 is 870513632521.

It is a super-2 number, since 2×125236315078² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53887098 + ... + 53889421.

It is an arithmetic number, because the mean of its divisors is an integer number (13579841520).

Almost surely, 2^125236315078 is an apocalyptic number.

125236315078 is a deficient number, since it is larger than the sum of its proper divisors (92041149242).

125236315078 is a wasteful number, since it uses less digits than its factorization.

125236315078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107776611.

The product of its (nonzero) digits is 302400, while the sum is 43.

Adding to 125236315078 its reverse (870513632521), we get a palindrome (995749947599).

The spelling of 125236315078 in words is "one hundred twenty-five billion, two hundred thirty-six million, three hundred fifteen thousand, seventy-eight".