4042125247 has 4 divisors (see below), whose sum is σ = 4172516416. Its totient is φ = 3911734080.

The previous prime is 4042125229. The next prime is 4042125251. The reversal of 4042125247 is 7425212404.

4042125247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4042125247 - 2⁷ = 4042125119 is a prime.

It is a super-2 number, since 2×4042125247² = 32677553024869622018, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 130391137 = 4042125247 / (4 + 0 + 4 + 2 + 1 + 2 + 5 + 2 + 4 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042125257) 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, 65195538 + ... + 65195599.

It is an arithmetic number, because the mean of its divisors is an integer number (1043129104).

Almost surely, 2^4042125247 is an apocalyptic number.

4042125247 is a deficient number, since it is larger than the sum of its proper divisors (130391169).

4042125247 is a wasteful number, since it uses less digits than its factorization.

4042125247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130391168.

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 4042125247 is about 63577.7103000729. The cubic root of 4042125247 is about 1592.9540755927.

The spelling of 4042125247 in words is "four billion, forty-two million, one hundred twenty-five thousand, two hundred forty-seven".