4125144 has 16 divisors (see below), whose sum is σ = 10312920. Its totient is φ = 1375040.

The previous prime is 4125137. The next prime is 4125151. The reversal of 4125144 is 4415214.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4125137) and next prime (4125151).

It is a self number, because there is not a number n which added to its sum of digits gives 4125144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85917 + ... + 85964.

Almost surely, 2^4125144 is an apocalyptic number.

It is an amenable number.

4125144 is an abundant number, since it is smaller than the sum of its proper divisors (6187776).

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

4125144 is a wasteful number, since it uses less digits than its factorization.

4125144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171890 (or 171886 counting only the distinct ones).

The product of its digits is 640, while the sum is 21.

The square root of 4125144 is about 2031.0450511990. The cubic root of 4125144 is about 160.3785826799.

The spelling of 4125144 in words is "four million, one hundred twenty-five thousand, one hundred forty-four".