42921104 has 10 divisors (see below), whose sum is σ = 83159670. Its totient is φ = 21460544.

The previous prime is 42921097. The next prime is 42921119. The reversal of 42921104 is 40112924.

It can be written as a sum of positive squares in only one way, i.e., 34810000 + 8111104 = 5900^2 + 2848^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42921104.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1341269 + ... + 1341300.

It is an arithmetic number, because the mean of its divisors is an integer number (8315967).

Almost surely, 2^42921104 is an apocalyptic number.

It is an amenable number.

42921104 is a deficient number, since it is larger than the sum of its proper divisors (40238566).

42921104 is a wasteful number, since it uses less digits than its factorization.

42921104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682577 (or 2682571 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 42921104 is about 6551.4199987484. The cubic root of 42921104 is about 350.1254081210.

The spelling of 42921104 in words is "forty-two million, nine hundred twenty-one thousand, one hundred four".