451001112 has 64 divisors (see below), whose sum is σ = 1188794880. Its totient is φ = 142298112.

The previous prime is 451001101. The next prime is 451001137. The reversal of 451001112 is 211100154.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 451001091 and 451001100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49333 + ... + 57755.

It is an arithmetic number, because the mean of its divisors is an integer number (18574920).

Almost surely, 2^451001112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451001112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594397440).

451001112 is an abundant number, since it is smaller than the sum of its proper divisors (737793768).

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

451001112 is a wasteful number, since it uses less digits than its factorization.

451001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8552 (or 8548 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 451001112 is about 21236.7867625966. The cubic root of 451001112 is about 766.8772793349.

Adding to 451001112 its reverse (211100154), we get a palindrome (662101266).

The spelling of 451001112 in words is "four hundred fifty-one million, one thousand, one hundred twelve".