1244106155125 has 8 divisors (see below), whose sum is σ = 1552644481752. Its totient is φ = 995284924000.

The previous prime is 1244106155107. The next prime is 1244106155143. The reversal of 1244106155125 is 5215516014421.

It is an interprime number because it is at equal distance from previous prime (1244106155107) and next prime (1244106155143).

It can be written as a sum of positive squares in 4 ways, for example, as 29149201 + 1244077005924 = 5399^2 + 1115382^2 .

It is not a de Polignac number, because 1244106155125 - 2²³ = 1244097766517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 4976424496 + ... + 4976424745.

It is an arithmetic number, because the mean of its divisors is an integer number (194080560219).

Almost surely, 2^{1244106155125} is an apocalyptic number.

It is an amenable number.

1244106155125 is a deficient number, since it is larger than the sum of its proper divisors (308538326627).

1244106155125 is an frugal number, since it uses more digits than its factorization.

1244106155125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9952849256 (or 9952849246 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 37.

The spelling of 1244106155125 in words is "one trillion, two hundred forty-four billion, one hundred six million, one hundred fifty-five thousand, one hundred twenty-five".