126130356 has 72 divisors (see below), whose sum is σ = 349562304. Its totient is φ = 38029440.

The previous prime is 126130343. The next prime is 126130387. The reversal of 126130356 is 653031621.

126130356 is a `hidden beast` number, since 12 + 613 + 0 + 35 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91585 + ... + 92951.

It is an arithmetic number, because the mean of its divisors is an integer number (4855032).

Almost surely, 2^126130356 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 126130356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174781152).

126130356 is an abundant number, since it is smaller than the sum of its proper divisors (223431948).

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

126130356 is a wasteful number, since it uses less digits than its factorization.

126130356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1616 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 126130356 is about 11230.7771770256. Note that the first 3 decimals coincide. The cubic root of 126130356 is about 501.5026210695.

Adding to 126130356 its reverse (653031621), we get a palindrome (779161977).

The spelling of 126130356 in words is "one hundred twenty-six million, one hundred thirty thousand, three hundred fifty-six".