1980386124 has 24 divisors (see below), whose sum is σ = 4644848880. Its totient is φ = 656707584.

The previous prime is 1980386123. The next prime is 1980386129. The reversal of 1980386124 is 4216830891.

It is not an unprimeable number, because it can be changed into a prime (1980386123) 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, 425229 + ... + 429860.

It is an arithmetic number, because the mean of its divisors is an integer number (193535370).

Almost surely, 2^1980386124 is an apocalyptic number.

It is an amenable number.

1980386124 is an abundant number, since it is smaller than the sum of its proper divisors (2664462756).

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

1980386124 is a wasteful number, since it uses less digits than its factorization.

1980386124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855289 (or 855287 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1980386124 is about 44501.5294568625. The cubic root of 1980386124 is about 1255.7888563823.

The spelling of 1980386124 in words is "one billion, nine hundred eighty million, three hundred eighty-six thousand, one hundred twenty-four".