125427020738 has 4 divisors (see below), whose sum is σ = 188140531110. Its totient is φ = 62713510368.

The previous prime is 125427020699. The next prime is 125427020759. The reversal of 125427020738 is 837020724521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 837020724521 = 739847 ⋅1131343.

It can be written as a sum of positive squares in only one way, i.e., 124938920089 + 488100649 = 353467^2 + 22093^2 .

It is a junction number, because it is equal to n+sod(n) for n = 125427020695 and 125427020704.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31356755183 + ... + 31356755186.

Almost surely, 2^125427020738 is an apocalyptic number.

125427020738 is a deficient number, since it is larger than the sum of its proper divisors (62713510372).

125427020738 is an equidigital number, since it uses as much as digits as its factorization.

125427020738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62713510371.

The product of its (nonzero) digits is 188160, while the sum is 41.

The spelling of 125427020738 in words is "one hundred twenty-five billion, four hundred twenty-seven million, twenty thousand, seven hundred thirty-eight".