1041921 has 6 divisors (see below), whose sum is σ = 1505010. Its totient is φ = 694608.

The previous prime is 1041919. The next prime is 1041949. The reversal of 1041921 is 1291401.

1041921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 1521 = 1020^2 + 39^2 .

It is not a de Polignac number, because 1041921 - 2¹ = 1041919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1041894 and 1041903.

It is not an unprimeable number, because it can be changed into a prime (1041961) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57876 + ... + 57893.

It is an arithmetic number, because the mean of its divisors is an integer number (250835).

2^1041921 is an apocalyptic number.

It is an amenable number.

1041921 is a deficient number, since it is larger than the sum of its proper divisors (463089).

1041921 is a wasteful number, since it uses less digits than its factorization.

1041921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115775 (or 115772 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 1041921 is about 1020.7453159334. The cubic root of 1041921 is about 101.3782827573.

It can be divided in two parts, 10419 and 21, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 1041921 in words is "one million, forty-one thousand, nine hundred twenty-one".