1298750937120 has 3072 divisors, whose sum is σ = 6242697216000. Its totient is φ = 244552089600.

The previous prime is 1298750937119. The next prime is 1298750937149. The reversal of 1298750937120 is 217390578921.

It is a happy number.

1298750937120 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 7 + 509 + 3 + 7 + 120 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 511 ways as a sum of consecutive naturals, for example, 16439885241 + ... + 16439885319.

It is an arithmetic number, because the mean of its divisors is an integer number (2032128000).

Almost surely, 2^{1298750937120} is an apocalyptic number.

1298750937120 is a gapful number since it is divisible by the number (10) 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 1298750937120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3121348608000).

1298750937120 is an abundant number, since it is smaller than the sum of its proper divisors (4943946278880).

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

1298750937120 is a wasteful number, since it uses less digits than its factorization.

1298750937120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The spelling of 1298750937120 in words is "one trillion, two hundred ninety-eight billion, seven hundred fifty million, nine hundred thirty-seven thousand, one hundred twenty".