103128265706 has 4 divisors (see below), whose sum is σ = 154692398562. Its totient is φ = 51564132852.

The previous prime is 103128265703. The next prime is 103128265717. The reversal of 103128265706 is 607562821301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 607562821301 = 10111 ⋅60089291.

It can be written as a sum of positive squares in only one way, i.e., 90746140081 + 12382125625 = 301241^2 + 111275^2 .

It is not an unprimeable number, because it can be changed into a prime (103128265703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25782066425 + ... + 25782066428.

Almost surely, 2^103128265706 is an apocalyptic number.

103128265706 is a deficient number, since it is larger than the sum of its proper divisors (51564132856).

103128265706 is an equidigital number, since it uses as much as digits as its factorization.

103128265706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51564132855.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 103128265706 in words is "one hundred three billion, one hundred twenty-eight million, two hundred sixty-five thousand, seven hundred six".