1244106155124 has 144 divisors (see below), whose sum is σ = 3718201084416. Its totient is φ = 343355328000.

The previous prime is 1244106155107. The next prime is 1244106155143. The reversal of 1244106155124 is 4215516014421.

1244106155124 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 10 + 615 + 5 + 1 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 447429 + ... + 1639635.

It is an arithmetic number, because the mean of its divisors is an integer number (25820840864).

Almost surely, 2^{1244106155124} is an apocalyptic number.

1244106155124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244106155124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1859100542208).

1244106155124 is an abundant number, since it is smaller than the sum of its proper divisors (2474094929292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244106155124 is a wasteful number, since it uses less digits than its factorization.

1244106155124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192366 (or 1192361 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 1244106155124 in words is "one trillion, two hundred forty-four billion, one hundred six million, one hundred fifty-five thousand, one hundred twenty-four".