126075450 has 96 divisors (see below), whose sum is σ = 339978240. Its totient is φ = 30801600.

The previous prime is 126075437. The next prime is 126075457. The reversal of 126075450 is 54570621.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (126075457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87637 + ... + 89063.

It is an arithmetic number, because the mean of its divisors is an integer number (3541440).

Almost surely, 2^126075450 is an apocalyptic number.

126075450 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 126075450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169989120).

126075450 is an abundant number, since it is smaller than the sum of its proper divisors (213902790).

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

126075450 is a wasteful number, since it uses less digits than its factorization.

126075450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1487 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 126075450 is about 11228.3324674682. The cubic root of 126075450 is about 501.4298405477.

The spelling of 126075450 in words is "one hundred twenty-six million, seventy-five thousand, four hundred fifty".