1041210021 has 16 divisors (see below), whose sum is σ = 1406134080. Its totient is φ = 685238400.

The previous prime is 1041210019. The next prime is 1041210059. The reversal of 1041210021 is 1200121401.

It is a happy number.

It is not a de Polignac number, because 1041210021 - 2¹ = 1041210019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1041209979 and 1041210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041210011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184386 + ... + 189948.

It is an arithmetic number, because the mean of its divisors is an integer number (87883380).

Almost surely, 2^1041210021 is an apocalyptic number.

It is an amenable number.

1041210021 is a deficient number, since it is larger than the sum of its proper divisors (364924059).

1041210021 is an equidigital number, since it uses as much as digits as its factorization.

1041210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6356.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 1041210021 is about 32267.7861186664. The cubic root of 1041210021 is about 1013.5521823482.

Adding to 1041210021 its reverse (1200121401), we get a palindrome (2241331422).

The spelling of 1041210021 in words is "one billion, forty-one million, two hundred ten thousand, twenty-one".