100770 has 16 divisors (see below), whose sum is σ = 241920. Its totient is φ = 26864.

The previous prime is 100769. The next prime is 100787. The reversal of 100770 is 77001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1650 + ... + 1709.

It is an arithmetic number, because the mean of its divisors is an integer number (15120).

2¹⁰⁰⁷⁷⁰ is an apocalyptic number.

100770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100770 is an abundant number, since it is smaller than the sum of its proper divisors (141150).

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

100770 is a wasteful number, since it uses less digits than its factorization.

100770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369.

The product of its (nonzero) digits is 49, while the sum is 15.

The square root of 100770 is about 317.4429082528. The cubic root of 100770 is about 46.5347179733.

Adding to 100770 its reverse (77001), we get a palindrome (177771).

The spelling of 100770 in words is "one hundred thousand, seven hundred seventy", and thus it is an iban number.