101173730 has 24 divisors (see below), whose sum is σ = 211846428. Its totient is φ = 34687968.

The previous prime is 101173717. The next prime is 101173753. The reversal of 101173730 is 37371101.

It can be written as a sum of positive squares in 2 ways, for example, as 93450889 + 7722841 = 9667^2 + 2779^2 .

It is a super-2 number, since 2×101173730² = 20472247284225800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101173696 and 101173705.

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 11 ways as a sum of consecutive naturals, for example, 102749 + ... + 103728.

Almost surely, 2^101173730 is an apocalyptic number.

101173730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101173730 is an abundant number, since it is smaller than the sum of its proper divisors (110672698).

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

101173730 is a wasteful number, since it uses less digits than its factorization.

101173730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206498 (or 206491 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 23.

The square root of 101173730 is about 10058.5152979950. The cubic root of 101173730 is about 465.9678150759.

The spelling of 101173730 in words is "one hundred one million, one hundred seventy-three thousand, seven hundred thirty".