119801988 has 18 divisors (see below), whose sum is σ = 302832894. Its totient is φ = 39933984.

The previous prime is 119801977. The next prime is 119802019. The reversal of 119801988 is 889108911.

It can be written as a sum of positive squares in only one way, i.e., 81757764 + 38044224 = 9042^2 + 6168^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-5 number, since 5×119801988⁵ (a number of 42 digits) contains 55555 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1663881 + ... + 1663952.

Almost surely, 2^119801988 is an apocalyptic number.

119801988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

119801988 is an abundant number, since it is smaller than the sum of its proper divisors (183030906).

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

119801988 is a wasteful number, since it uses less digits than its factorization.

119801988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3327843 (or 3327838 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 45.

The square root of 119801988 is about 10945.4094487141. The cubic root of 119801988 is about 492.9709657356.

The spelling of 119801988 in words is "one hundred nineteen million, eight hundred one thousand, nine hundred eighty-eight".