1838121 has 8 divisors (see below), whose sum is σ = 2508000. Its totient is φ = 1196832.

The previous prime is 1838101. The next prime is 1838131. The reversal of 1838121 is 1218381.

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

It is not a de Polignac number, because 1838121 - 2¹⁰ = 1837097 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1838091 and 1838100.

It is not an unprimeable number, because it can be changed into a prime (1838101) 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, 6996 + ... + 7253.

It is an arithmetic number, because the mean of its divisors is an integer number (313500).

2^1838121 is an apocalyptic number.

It is an amenable number.

1838121 is a deficient number, since it is larger than the sum of its proper divisors (669879).

1838121 is a wasteful number, since it uses less digits than its factorization.

1838121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14295.

The product of its digits is 384, while the sum is 24.

The square root of 1838121 is about 1355.7732111235. The cubic root of 1838121 is about 122.4967873654.

The spelling of 1838121 in words is "one million, eight hundred thirty-eight thousand, one hundred twenty-one".