4125126390 has 64 divisors (see below), whose sum is σ = 12343242240. Its totient is φ = 857168640.

The previous prime is 4125126361. The next prime is 4125126391. The reversal of 4125126390 is 936215214.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4125126391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 890575 + ... + 895194.

It is an arithmetic number, because the mean of its divisors is an integer number (192863160).

Almost surely, 2^4125126390 is an apocalyptic number.

4125126390 is an abundant number, since it is smaller than the sum of its proper divisors (8218115850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4125126390 is a wasteful number, since it uses less digits than its factorization.

4125126390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785797.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 4125126390 is about 64227.1468306043. The cubic root of 4125126390 is about 1603.7835446393.

The spelling of 4125126390 in words is "four billion, one hundred twenty-five million, one hundred twenty-six thousand, three hundred ninety".