104021642 has 8 divisors (see below), whose sum is σ = 158170116. Its totient is φ = 51298272.

The previous prime is 104021639. The next prime is 104021677. The reversal of 104021642 is 246120401.

It can be written as a sum of positive squares in 2 ways, for example, as 101828281 + 2193361 = 10091^2 + 1481^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356093 + ... + 356384.

Almost surely, 2^104021642 is an apocalyptic number.

104021642 is a deficient number, since it is larger than the sum of its proper divisors (54148474).

104021642 is an equidigital number, since it uses as much as digits as its factorization.

104021642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712552.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 104021642 is about 10199.1000583385. The cubic root of 104021642 is about 470.2995555287.

The spelling of 104021642 in words is "one hundred four million, twenty-one thousand, six hundred forty-two".