126303450 has 192 divisors, whose sum is σ = 406640640. Its totient is φ = 25194240.

The previous prime is 126303433. The next prime is 126303467. The reversal of 126303450 is 54303621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (126303433) and next prime (126303467).

It is a super-2 number, since 2×126303450² = 31905122963805000, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126303450.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 259107 + ... + 259593.

It is an arithmetic number, because the mean of its divisors is an integer number (2117920).

Almost surely, 2^126303450 is an apocalyptic number.

126303450 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 126303450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203320320).

126303450 is an abundant number, since it is smaller than the sum of its proper divisors (280337190).

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

126303450 is a wasteful number, since it uses less digits than its factorization.

126303450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 126303450 is about 11238.4807692143. The cubic root of 126303450 is about 501.7319272625.

The spelling of 126303450 in words is "one hundred twenty-six million, three hundred three thousand, four hundred fifty".