1625120 has 48 divisors (see below), whose sum is σ = 4390848. Its totient is φ = 556800.

The previous prime is 1625059. The next prime is 1625123. The reversal of 1625120 is 215261.

It is not an unprimeable number, because it can be changed into a prime (1625123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395 + ... + 1845.

It is an arithmetic number, because the mean of its divisors is an integer number (91476).

2^1625120 is an apocalyptic number.

1625120 is a gapful number since it is divisible by the number (10) 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 1625120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2195424).

1625120 is an abundant number, since it is smaller than the sum of its proper divisors (2765728).

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

1625120 is a wasteful number, since it uses less digits than its factorization.

1625120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1625120 is about 1274.8019454017. The cubic root of 1625120 is about 117.5696282652.

It can be divided in two parts, 1625 and 120, that multiplied together give a triangular number (195000 = T₆₂₄).

The spelling of 1625120 in words is "one million, six hundred twenty-five thousand, one hundred twenty".