1224400103141 has 4 divisors (see below), whose sum is σ = 1224681643500. Its totient is φ = 1224118562784.

The previous prime is 1224400103137. The next prime is 1224400103189. The reversal of 1224400103141 is 1413010044221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 291118518916 + 933281584225 = 539554^2 + 966065^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224400103141 - 2² = 1224400103137 is a prime.

It is a super-2 number, since 2×1224400103141² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224400103131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140763656 + ... + 140772353.

It is an arithmetic number, because the mean of its divisors is an integer number (306170410875).

Almost surely, 2^{1224400103141} is an apocalyptic number.

It is an amenable number.

1224400103141 is a deficient number, since it is larger than the sum of its proper divisors (281540359).

1224400103141 is an equidigital number, since it uses as much as digits as its factorization.

1224400103141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281540358.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1224400103141 its reverse (1413010044221), we get a palindrome (2637410147362).

The spelling of 1224400103141 in words is "one trillion, two hundred twenty-four billion, four hundred million, one hundred three thousand, one hundred forty-one".