190087120 has 20 divisors (see below), whose sum is σ = 441952740. Its totient is φ = 76034816.

The previous prime is 190087103. The next prime is 190087127. The reversal of 190087120 is 21780091.

It can be written as a sum of positive squares in 2 ways, for example, as 145250704 + 44836416 = 12052^2 + 6696^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×190087120² = 72266226379788800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190087127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1187965 + ... + 1188124.

It is an arithmetic number, because the mean of its divisors is an integer number (22097637).

Almost surely, 2^190087120 is an apocalyptic number.

190087120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190087120 is an abundant number, since it is smaller than the sum of its proper divisors (251865620).

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

190087120 is a wasteful number, since it uses less digits than its factorization.

190087120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376102 (or 2376096 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 190087120 is about 13787.2085644629. The cubic root of 190087120 is about 574.9775618213.

The spelling of 190087120 in words is "one hundred ninety million, eighty-seven thousand, one hundred twenty".