126453810 has 64 divisors (see below), whose sum is σ = 353952000. Its totient is φ = 28901376.

The previous prime is 126453791. The next prime is 126453823. The reversal of 126453810 is 18354621.

It is a super-2 number, since 2×126453810² = 31981132127032200, which contains 22 as substring.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4146 + ... + 16434.

It is an arithmetic number, because the mean of its divisors is an integer number (5530500).

Almost surely, 2^126453810 is an apocalyptic number.

126453810 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 126453810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176976000).

126453810 is an abundant number, since it is smaller than the sum of its proper divisors (227498190).

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

126453810 is a wasteful number, since it uses less digits than its factorization.

126453810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12320 (or 12306 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 126453810 is about 11245.1682957615. The cubic root of 126453810 is about 501.9309466241.

The spelling of 126453810 in words is "one hundred twenty-six million, four hundred fifty-three thousand, eight hundred ten".