1224138357107 has 8 divisors (see below), whose sum is σ = 1239167671920. Its totient is φ = 1209137374720.

The previous prime is 1224138357103. The next prime is 1224138357109. The reversal of 1224138357107 is 7017538314221.

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 1224138357107 - 2² = 1224138357103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224138357103) 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, 6996158 + ... + 7168995.

It is an arithmetic number, because the mean of its divisors is an integer number (154895958990).

Almost surely, 2^{1224138357107} is an apocalyptic number.

1224138357107 is a deficient number, since it is larger than the sum of its proper divisors (15029314813).

1224138357107 is an equidigital number, since it uses as much as digits as its factorization.

1224138357107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14166213.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 1224138357107 in words is "one trillion, two hundred twenty-four billion, one hundred thirty-eight million, three hundred fifty-seven thousand, one hundred seven".