126030450 has 144 divisors (see below), whose sum is σ = 391849920. Its totient is φ = 26570880.

The previous prime is 126030427. The next prime is 126030461. The reversal of 126030450 is 54030621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 94891 + ... + 96209.

It is an arithmetic number, because the mean of its divisors is an integer number (2721180).

Almost surely, 2^126030450 is an apocalyptic number.

126030450 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 126030450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195924960).

126030450 is an abundant number, since it is smaller than the sum of its proper divisors (265819470).

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

126030450 is a wasteful number, since it uses less digits than its factorization.

126030450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 126030450 is about 11226.3284291882. The cubic root of 126030450 is about 501.3701751437.

The spelling of 126030450 in words is "one hundred twenty-six million, thirty thousand, four hundred fifty".