126404370 has 48 divisors (see below), whose sum is σ = 331269120. Its totient is φ = 33439392.

The previous prime is 126404363. The next prime is 126404371. The reversal of 126404370 is 73404621.

126404370 is a `hidden beast` number, since 12 + 640 + 4 + 3 + 7 + 0 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126404371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5901 + ... + 16959.

It is an arithmetic number, because the mean of its divisors is an integer number (6901440).

Almost surely, 2^126404370 is an apocalyptic number.

126404370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 126404370, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165634560).

126404370 is an abundant number, since it is smaller than the sum of its proper divisors (204864750).

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

126404370 is a wasteful number, since it uses less digits than its factorization.

126404370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11199 (or 11196 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 126404370 is about 11242.9698033927. The cubic root of 126404370 is about 501.8655243149.

Adding to 126404370 its reverse (73404621), we get a palindrome (199808991).

It can be divided in two parts, 126 and 404370, that added together give a square (404496 = 636²).

The spelling of 126404370 in words is "one hundred twenty-six million, four hundred four thousand, three hundred seventy".