126143004 has 48 divisors (see below), whose sum is σ = 319520768. Its totient is φ = 38501568.

The previous prime is 126142981. The next prime is 126143023. The reversal of 126143004 is 400341621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16629 + ... + 22995.

Almost surely, 2^126143004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126143004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159760384).

126143004 is an abundant number, since it is smaller than the sum of its proper divisors (193377764).

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

126143004 is a wasteful number, since it uses less digits than its factorization.

126143004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514 (or 6512 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 126143004 is about 11231.3402584019. The cubic root of 126143004 is about 501.5193836035.

Adding to 126143004 its reverse (400341621), we get a palindrome (526484625).

The spelling of 126143004 in words is "one hundred twenty-six million, one hundred forty-three thousand, four".