125128174046 has 8 divisors (see below), whose sum is σ = 189953613864. Its totient is φ = 61810302760.

The previous prime is 125128174043. The next prime is 125128174081. The reversal of 125128174046 is 640471821521.

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

It is a junction number, because it is equal to n+sod(n) for n = 125128173994 and 125128174012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125128174043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376891925 + ... + 376892256.

It is an arithmetic number, because the mean of its divisors is an integer number (23744201733).

Almost surely, 2^125128174046 is an apocalyptic number.

125128174046 is a deficient number, since it is larger than the sum of its proper divisors (64825439818).

125128174046 is an equidigital number, since it uses as much as digits as its factorization.

125128174046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753784266.

The product of its (nonzero) digits is 107520, while the sum is 41.

Adding to 125128174046 its reverse (640471821521), we get a palindrome (765599995567).

The spelling of 125128174046 in words is "one hundred twenty-five billion, one hundred twenty-eight million, one hundred seventy-four thousand, forty-six".