1244574921092 has 54 divisors (see below), whose sum is σ = 2346896961738. Its totient is φ = 575504404224.

The previous prime is 1244574921077. The next prime is 1244574921101. The reversal of 1244574921092 is 2901294754421.

It can be written as a sum of positive squares in 3 ways, for example, as 125985243136 + 1118589677956 = 354944^2 + 1057634^2 .

It is a super-2 number, since 2×1244574921092² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1244574921092.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 542770298 + ... + 542772590.

It is an arithmetic number, because the mean of its divisors is an integer number (43461054847).

Almost surely, 2^{1244574921092} is an apocalyptic number.

It is an amenable number.

1244574921092 is a deficient number, since it is larger than the sum of its proper divisors (1102322040646).

1244574921092 is an frugal number, since it uses more digits than its factorization.

1244574921092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4725 (or 2371 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 1244574921092 in words is "one trillion, two hundred forty-four billion, five hundred seventy-four million, nine hundred twenty-one thousand, ninety-two".