451290126 has 64 divisors (see below), whose sum is σ = 1127485440. Its totient is φ = 117434880.

The previous prime is 451290097. The next prime is 451290131. The reversal of 451290126 is 621092154.

It is a junction number, because it is equal to n+sod(n) for n = 451290093 and 451290102.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 11940 + ... + 32328.

It is an arithmetic number, because the mean of its divisors is an integer number (17616960).

Almost surely, 2^451290126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451290126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563742720).

451290126 is an abundant number, since it is smaller than the sum of its proper divisors (676195314).

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

451290126 is a wasteful number, since it uses less digits than its factorization.

451290126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20449.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 451290126 is about 21243.5902332915. The cubic root of 451290126 is about 767.0410564203.

The spelling of 451290126 in words is "four hundred fifty-one million, two hundred ninety thousand, one hundred twenty-six".