1041120421 has 12 divisors (see below), whose sum is σ = 1172289132. Its totient is φ = 923384000.

The previous prime is 1041120407. The next prime is 1041120427. The reversal of 1041120421 is 1240211401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 204175521 + 836944900 = 14289^2 + 28930^2 .

It is not a de Polignac number, because 1041120421 - 2⁵ = 1041120389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1041120395 and 1041120404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041120427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99970 + ... + 109891.

It is an arithmetic number, because the mean of its divisors is an integer number (97690761).

Almost surely, 2^1041120421 is an apocalyptic number.

1041120421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1041120421 is a deficient number, since it is larger than the sum of its proper divisors (131168711).

1041120421 is a wasteful number, since it uses less digits than its factorization.

1041120421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209924 (or 209913 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1041120421 is about 32266.3977072124. The cubic root of 1041120421 is about 1013.5231082009.

Adding to 1041120421 its reverse (1240211401), we get a palindrome (2281331822).

The spelling of 1041120421 in words is "one billion, forty-one million, one hundred twenty thousand, four hundred twenty-one".