101205798 has 16 divisors (see below), whose sum is σ = 202682736. Its totient is φ = 33690080.

The previous prime is 101205757. The next prime is 101205817. The reversal of 101205798 is 897502101.

It is a super-2 number, since 2×101205798² = 20485227097633608, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6273 + ... + 15548.

It is an arithmetic number, because the mean of its divisors is an integer number (12667671).

Almost surely, 2^101205798 is an apocalyptic number.

101205798 is an abundant number, since it is smaller than the sum of its proper divisors (101476938).

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

101205798 is a wasteful number, since it uses less digits than its factorization.

101205798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22599.

The product of its (nonzero) digits is 5040, while the sum is 33.

The square root of 101205798 is about 10060.1092439397. The cubic root of 101205798 is about 466.0170408892.

Adding to 101205798 its reverse (897502101), we get a palindrome (998707899).

The spelling of 101205798 in words is "one hundred one million, two hundred five thousand, seven hundred ninety-eight".