1988737120 has 24 divisors (see below), whose sum is σ = 4698391824. Its totient is φ = 795494784.

The previous prime is 1988737111. The next prime is 1988737133. The reversal of 1988737120 is 217378891.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6214644 + ... + 6214963.

It is an arithmetic number, because the mean of its divisors is an integer number (195766326).

Almost surely, 2^1988737120 is an apocalyptic number.

1988737120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1988737120 is an abundant number, since it is smaller than the sum of its proper divisors (2709654704).

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

1988737120 is a wasteful number, since it uses less digits than its factorization.

1988737120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12429622 (or 12429614 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 1988737120 is about 44595.2589408336. The cubic root of 1988737120 is about 1257.5515397958.

The spelling of 1988737120 in words is "one billion, nine hundred eighty-eight million, seven hundred thirty-seven thousand, one hundred twenty".