190089121 has 8 divisors (see below), whose sum is σ = 202328064. Its totient is φ = 177967680.

The previous prime is 190089101. The next prime is 190089127. The reversal of 190089121 is 121980091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190089121 - 2¹³ = 190080929 is a prime.

It is a super-2 number, since 2×190089121² = 72267747845105282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190089127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26025 + ... + 32518.

It is an arithmetic number, because the mean of its divisors is an integer number (25291008).

Almost surely, 2^190089121 is an apocalyptic number.

It is an amenable number.

190089121 is a deficient number, since it is larger than the sum of its proper divisors (12238943).

190089121 is a wasteful number, since it uses less digits than its factorization.

190089121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58751.

The product of its (nonzero) digits is 1296, while the sum is 31.

The square root of 190089121 is about 13787.2811315357. The cubic root of 190089121 is about 574.9795793630.

The spelling of 190089121 in words is "one hundred ninety million, eighty-nine thousand, one hundred twenty-one".