12451120 has 40 divisors (see below), whose sum is σ = 31582800. Its totient is φ = 4527360.

The previous prime is 12451097. The next prime is 12451141. The reversal of 12451120 is 2115421.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12451094 and 12451103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6195 + ... + 7954.

It is an arithmetic number, because the mean of its divisors is an integer number (789570).

Almost surely, 2^12451120 is an apocalyptic number.

12451120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12451120 is an abundant number, since it is smaller than the sum of its proper divisors (19131680).

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

12451120 is a wasteful number, since it uses less digits than its factorization.

12451120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14173 (or 14167 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 12451120 is about 3528.6144589626. The cubic root of 12451120 is about 231.7765386967.

Adding to 12451120 its reverse (2115421), we get a palindrome (14566541).

The spelling of 12451120 in words is "twelve million, four hundred fifty-one thousand, one hundred twenty".