1425120 has 48 divisors (see below), whose sum is σ = 4490640. Its totient is φ = 379904.

The previous prime is 1425113. The next prime is 1425121. The reversal of 1425120 is 215241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1425120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005 + ... + 1964.

It is an arithmetic number, because the mean of its divisors is an integer number (93555).

2^1425120 is an apocalyptic number.

1425120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1425120 is an abundant number, since it is smaller than the sum of its proper divisors (3065520).

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

1425120 is a wasteful number, since it uses less digits than its factorization.

1425120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987 (or 2979 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1425120 is about 1193.7839000422. The cubic root of 1425120 is about 112.5340144061.

The spelling of 1425120 in words is "one million, four hundred twenty-five thousand, one hundred twenty".