2445120 has 112 divisors (see below), whose sum is σ = 8656320. Its totient is φ = 649728.

The previous prime is 2445119. The next prime is 2445139. The reversal of 2445120 is 215442.

It is a super-2 number, since 2×2445120² = 11957223628800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2445093 and 2445102.

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, 8499 + ... + 8781.

2^2445120 is an apocalyptic number.

2445120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4328160).

2445120 is an abundant number, since it is smaller than the sum of its proper divisors (6211200).

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

2445120 is a wasteful number, since it uses less digits than its factorization.

2445120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 2445120 is about 1563.6879484091. The cubic root of 2445120 is about 134.7204090087.

The spelling of 2445120 in words is "two million, four hundred forty-five thousand, one hundred twenty".