201026089 has 8 divisors (see below), whose sum is σ = 220416768. Its totient is φ = 181821360.

The previous prime is 201026081. The next prime is 201026093. The reversal of 201026089 is 980620102.

It is a happy number.

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 201026089 - 2³ = 201026081 is a prime.

It is a super-2 number, since 2×201026089² = 80822976917271842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201026081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44217 + ... + 48550.

It is an arithmetic number, because the mean of its divisors is an integer number (27552096).

Almost surely, 2^201026089 is an apocalyptic number.

It is an amenable number.

201026089 is a deficient number, since it is larger than the sum of its proper divisors (19390679).

201026089 is a wasteful number, since it uses less digits than its factorization.

201026089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92975.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 201026089 is about 14178.3669369924. The cubic root of 201026089 is about 585.8019429924.

The spelling of 201026089 in words is "two hundred one million, twenty-six thousand, eighty-nine".