101204090 has 32 divisors (see below), whose sum is σ = 197116416. Its totient is φ = 37189440.

The previous prime is 101204027. The next prime is 101204099. The reversal of 101204090 is 90402101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (101204099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27245 + ... + 30735.

It is an arithmetic number, because the mean of its divisors is an integer number (6159888).

Almost surely, 2^101204090 is an apocalyptic number.

101204090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101204090 is a deficient number, since it is larger than the sum of its proper divisors (95912326).

101204090 is a wasteful number, since it uses less digits than its factorization.

101204090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 101204090 is about 10060.0243538473. The cubic root of 101204090 is about 466.0144192951.

Adding to 101204090 its reverse (90402101), we get a palindrome (191606191).

It can be divided in two parts, 10 and 1204090, that multiplied together give a square (12040900 = 3470²).

The spelling of 101204090 in words is "one hundred one million, two hundred four thousand, ninety".