1041521 has 8 divisors (see below), whose sum is σ = 1133160. Its totient is φ = 951552.

The previous prime is 1041517. The next prime is 1041529. The reversal of 1041521 is 1251401.

It can be written as a sum of positive squares in 4 ways, for example, as 112225 + 929296 = 335^2 + 964^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1041521 - 2² = 1041517 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1041496 and 1041505.

It is not an unprimeable number, because it can be changed into a prime (1041529) 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, 1115 + ... + 1823.

It is an arithmetic number, because the mean of its divisors is an integer number (141645).

2^1041521 is an apocalyptic number.

It is an amenable number.

1041521 is a deficient number, since it is larger than the sum of its proper divisors (91639).

1041521 is a wasteful number, since it uses less digits than its factorization.

1041521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 1041521 is about 1020.5493618635. The cubic root of 1041521 is about 101.3653078441.

Adding to 1041521 its reverse (1251401), we get a palindrome (2292922).

It can be divided in two parts, 1041 and 521, that multiplied together give a triangular number (542361 = T₁₀₄₁).

The spelling of 1041521 in words is "one million, forty-one thousand, five hundred twenty-one".