104021121 has 8 divisors (see below), whose sum is σ = 139068160. Its totient is φ = 69160752.

The previous prime is 104021119. The next prime is 104021123. The reversal of 104021121 is 121120401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (104021119) and next prime (104021123).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 104021121 - 2¹ = 104021119 is a prime.

It is a super-2 number, since 2×104021121² = 21640787228193282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104021097 and 104021106.

It is not an unprimeable number, because it can be changed into a prime (104021123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45361 + ... + 47598.

It is an arithmetic number, because the mean of its divisors is an integer number (17383520).

Almost surely, 2^104021121 is an apocalyptic number.

It is an amenable number.

104021121 is a deficient number, since it is larger than the sum of its proper divisors (35047039).

104021121 is an equidigital number, since it uses as much as digits as its factorization.

104021121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93335.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 104021121 is about 10199.0745168373. The cubic root of 104021121 is about 470.2987703508.

Adding to 104021121 its reverse (121120401), we get a palindrome (225141522).

The spelling of 104021121 in words is "one hundred four million, twenty-one thousand, one hundred twenty-one".