101930 has 8 divisors (see below), whose sum is σ = 183492. Its totient is φ = 40768.

The previous prime is 101929. The next prime is 101939. The reversal of 101930 is 39101.

101930 = T₁₀₉ + T₁₁₀ + ... + T₁₂₃.

It can be written as a sum of positive squares in 2 ways, for example, as 101761 + 169 = 319^2 + 13^2 .

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

It is not an unprimeable number, because it can be changed into a prime (101939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5087 + ... + 5106.

2¹⁰¹⁹³⁰ is an apocalyptic number.

101930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101930 is a deficient number, since it is larger than the sum of its proper divisors (81562).

101930 is a wasteful number, since it uses less digits than its factorization.

101930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10200.

The product of its (nonzero) digits is 27, while the sum is 14.

The square root of 101930 is about 319.2647803940. The cubic root of 101930 is about 46.7125965039.

The spelling of 101930 in words is "one hundred one thousand, nine hundred thirty".