101291230 has 32 divisors (see below), whose sum is σ = 188457984. Its totient is φ = 39172896.

The previous prime is 101291209. The next prime is 101291249. The reversal of 101291230 is 32192101.

It is a junction number, because it is equal to n+sod(n) for n = 101291198 and 101291207.

It is a congruent number.

It is an unprimeable number.

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, 43147 + ... + 45433.

It is an arithmetic number, because the mean of its divisors is an integer number (5889312).

Almost surely, 2^101291230 is an apocalyptic number.

101291230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101291230 is a deficient number, since it is larger than the sum of its proper divisors (87166754).

101291230 is a wasteful number, since it uses less digits than its factorization.

101291230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2440.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 101291230 is about 10064.3544253966. The cubic root of 101291230 is about 466.1481320959.

The spelling of 101291230 in words is "one hundred one million, two hundred ninety-one thousand, two hundred thirty".