100270 has 16 divisors (see below), whose sum is σ = 186048. Its totient is φ = 38880.

The previous prime is 100267. The next prime is 100271. The reversal of 100270 is 72001.

100270 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (10).

100270 is a modest number, since divided by 270 gives 100 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235 + ... + 505.

It is an arithmetic number, because the mean of its divisors is an integer number (11628).

2¹⁰⁰²⁷⁰ is an apocalyptic number.

100270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100270 is a deficient number, since it is larger than the sum of its proper divisors (85778).

100270 is a wasteful number, since it uses less digits than its factorization.

100270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315.

The product of its (nonzero) digits is 14, while the sum is 10.

The square root of 100270 is about 316.6543857268. The cubic root of 100270 is about 46.4576250951.

Adding to 100270 its reverse (72001), we get a palindrome (172271).

It can be divided in two parts, 100 and 270, that multiplied together give a cube (27000 = 30³).

The spelling of 100270 in words is "one hundred thousand, two hundred seventy", and thus it is an iban number.