1240010219 has 6 divisors (see below), whose sum is σ = 1442460924. Its totient is φ = 1062865860.

The previous prime is 1240010179. The next prime is 1240010231. The reversal of 1240010219 is 9120100421.

It is not a de Polignac number, because 1240010219 - 2²⁰ = 1238961643 is a prime.

It is a super-2 number, since 2×1240010219² = 3075250686448855922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1240010219.

It is not an unprimeable number, because it can be changed into a prime (1240010249) 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 5 ways as a sum of consecutive naturals, for example, 12653117 + ... + 12653214.

It is an arithmetic number, because the mean of its divisors is an integer number (240410154).

Almost surely, 2^1240010219 is an apocalyptic number.

1240010219 is a deficient number, since it is larger than the sum of its proper divisors (202450705).

1240010219 is an equidigital number, since it uses as much as digits as its factorization.

1240010219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25306345 (or 25306338 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1240010219 is about 35213.7788230687. The cubic root of 1240010219 is about 1074.3400222310.

The spelling of 1240010219 in words is "one billion, two hundred forty million, ten thousand, two hundred nineteen".