101490009 has 16 divisors (see below), whose sum is σ = 137544000. Its totient is φ = 66557376.

The previous prime is 101489989. The next prime is 101490029. The reversal of 101490009 is 900094101.

It is an interprime number because it is at equal distance from previous prime (101489989) and next prime (101490029).

It is not a de Polignac number, because 101490009 - 2¹¹ = 101487961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101490029) 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 15 ways as a sum of consecutive naturals, for example, 47682 + ... + 49764.

It is an arithmetic number, because the mean of its divisors is an integer number (8596500).

Almost surely, 2^101490009 is an apocalyptic number.

It is an amenable number.

101490009 is a deficient number, since it is larger than the sum of its proper divisors (36053991).

101490009 is a wasteful number, since it uses less digits than its factorization.

101490009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2344.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 101490009 is about 10074.2249825979. The cubic root of 101490009 is about 466.4528636826.

The spelling of 101490009 in words is "one hundred one million, four hundred ninety thousand, nine".