101258 has 8 divisors (see below), whose sum is σ = 153252. Its totient is φ = 50176.

The previous prime is 101221. The next prime is 101267. The reversal of 101258 is 852101.

It can be written as a sum of positive squares in 2 ways, for example, as 64009 + 37249 = 253^2 + 193^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

101258 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266 + ... + 522.

2¹⁰¹²⁵⁸ is an apocalyptic number.

101258 is a deficient number, since it is larger than the sum of its proper divisors (51994).

101258 is a wasteful number, since it uses less digits than its factorization.

101258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 101258 is about 318.2106220729. The cubic root of 101258 is about 46.6097151056.

Adding to 101258 its reverse (852101), we get a palindrome (953359).

The spelling of 101258 in words is "one hundred one thousand, two hundred fifty-eight".