1240010221 has 8 divisors (see below), whose sum is σ = 1270796384. Its totient is φ = 1209312720.

The previous prime is 1240010179. The next prime is 1240010231. The reversal of 1240010221 is 1220100421.

It is a happy number.

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

It is not a de Polignac number, because 1240010221 - 2¹¹ = 1240008173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1240010231) 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 7 ways as a sum of consecutive naturals, for example, 6610 + ... + 50236.

It is an arithmetic number, because the mean of its divisors is an integer number (158849548).

Almost surely, 2^1240010221 is an apocalyptic number.

It is an amenable number.

1240010221 is a deficient number, since it is larger than the sum of its proper divisors (30786163).

1240010221 is an equidigital number, since it uses as much as digits as its factorization.

1240010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44331.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1240010221 is about 35213.7788514667. The cubic root of 1240010221 is about 1074.3400228086.

Adding to 1240010221 its reverse (1220100421), we get a palindrome (2460110642).

The spelling of 1240010221 in words is "one billion, two hundred forty million, ten thousand, two hundred twenty-one".