2127126103 has 4 divisors (see below), whose sum is σ = 2128492080. Its totient is φ = 2125760128.

The previous prime is 2127126097. The next prime is 2127126119. The reversal of 2127126103 is 3016217212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2127126103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2127126143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680650 + ... + 683767.

It is an arithmetic number, because the mean of its divisors is an integer number (532123020).

Almost surely, 2^2127126103 is an apocalyptic number.

2127126103 is a deficient number, since it is larger than the sum of its proper divisors (1365977).

2127126103 is a wasteful number, since it uses less digits than its factorization.

2127126103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365976.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2127126103 is about 46120.7773460075. Note that the first 3 decimals coincide. The cubic root of 2127126103 is about 1286.0694217841.

It can be divided in two parts, 21271 and 26103, that added together give a palindrome (47374).

The spelling of 2127126103 in words is "two billion, one hundred twenty-seven million, one hundred twenty-six thousand, one hundred three".