1487980 has 48 divisors (see below), whose sum is σ = 3457440. Its totient is φ = 534528.

The previous prime is 1487977. The next prime is 1487987. The reversal of 1487980 is 897841.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1487987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15292 + ... + 15388.

It is an arithmetic number, because the mean of its divisors is an integer number (72030).

2^1487980 is an apocalyptic number.

1487980 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 1487980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728720).

1487980 is an abundant number, since it is smaller than the sum of its proper divisors (1969460).

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

1487980 is a wasteful number, since it uses less digits than its factorization.

1487980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1487980 is about 1219.8278567077. The cubic root of 1487980 is about 114.1648379719.

It can be divided in two parts, 148 and 7980, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 1487980 in words is "one million, four hundred eighty-seven thousand, nine hundred eighty".