104191272 has 40 divisors (see below), whose sum is σ = 291833850. Its totient is φ = 34730208.

The previous prime is 104191271. The next prime is 104191277. The reversal of 104191272 is 272191401.

It can be written as a sum of positive squares in only one way, i.e., 86601636 + 17589636 = 9306^2 + 4194^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (104191271) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 79747 + ... + 81042.

Almost surely, 2^104191272 is an apocalyptic number.

104191272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

104191272 is an abundant number, since it is smaller than the sum of its proper divisors (187642578).

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

104191272 is a wasteful number, since it uses less digits than its factorization.

104191272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160807 (or 160794 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 104191272 is about 10207.4126006545. The cubic root of 104191272 is about 470.5550587322. Note that the first 3 decimals are identical.

The spelling of 104191272 in words is "one hundred four million, one hundred ninety-one thousand, two hundred seventy-two".