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1372120 = 23534303
BaseRepresentation
bin101001110111111011000
32120201012021
411032333120
5322401440
645224224
714443231
oct5167730
92521167
101372120
11857992
12562074
13390709
1427a088
151c184a
hex14efd8

1372120 has 16 divisors (see below), whose sum is σ = 3087360. Its totient is φ = 548832.

The previous prime is 1372109. The next prime is 1372127. The reversal of 1372120 is 212731.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1372094 and 1372103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17112 + ... + 17191.

It is an arithmetic number, because the mean of its divisors is an integer number (192960).

21372120 is an apocalyptic number.

1372120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1372120 is an abundant number, since it is smaller than the sum of its proper divisors (1715240).

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

1372120 is a wasteful number, since it uses less digits than its factorization.

1372120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34314 (or 34310 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1372120 is about 1171.3752601110. The cubic root of 1372120 is about 111.1213131373.

Adding to 1372120 its reverse (212731), we get a palindrome (1584851).

The spelling of 1372120 in words is "one million, three hundred seventy-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 34303 68606 137212 171515 274424 343030 686060 1372120