1804538122 has 8 divisors (see below), whose sum is σ = 2706987456. Its totient is φ = 902208972.

The previous prime is 1804538119. The next prime is 1804538143. The reversal of 1804538122 is 2218354081.

It is a happy number.

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, 43423 + ... + 74125.

It is an arithmetic number, because the mean of its divisors is an integer number (338373432).

Almost surely, 2^1804538122 is an apocalyptic number.

1804538122 is a deficient number, since it is larger than the sum of its proper divisors (902449334).

1804538122 is a wasteful number, since it uses less digits than its factorization.

1804538122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60092.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 1804538122 is about 42479.8554846883. The cubic root of 1804538122 is about 1217.4618291437.

It can be divided in two parts, 1804538 and 122, that multiplied together give a triangular number (220153636 = T₂₀₉₈₃).

The spelling of 1804538122 in words is "one billion, eight hundred four million, five hundred thirty-eight thousand, one hundred twenty-two".