4000125103 has 4 divisors (see below), whose sum is σ = 4307827048. Its totient is φ = 3692423160.

The previous prime is 4000125079. The next prime is 4000125137. The reversal of 4000125103 is 3015210004.

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

It is a cyclic number.

It is not a de Polignac number, because 4000125103 - 2²⁹ = 3463254191 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 (4000125403) 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, 153850953 + ... + 153850978.

It is an arithmetic number, because the mean of its divisors is an integer number (1076956762).

Almost surely, 2^4000125103 is an apocalyptic number.

4000125103 is a deficient number, since it is larger than the sum of its proper divisors (307701945).

4000125103 is a wasteful number, since it uses less digits than its factorization.

4000125103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307701944.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 4000125103 is about 63246.5422216899. The cubic root of 4000125103 is about 1587.4176008485.

Adding to 4000125103 its reverse (3015210004), we get a palindrome (7015335107).

The spelling of 4000125103 in words is "four billion, one hundred twenty-five thousand, one hundred three".