1289514123080 has 16 divisors (see below), whose sum is σ = 2901406777020. Its totient is φ = 515805649216.

The previous prime is 1289514122987. The next prime is 1289514123101. The reversal of 1289514123080 is 803214159821.

It can be written as a sum of positive squares in 2 ways, for example, as 1235401128196 + 54112994884 = 1111486^2 + 232622^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16118926499 + ... + 16118926578.

Almost surely, 2^{1289514123080} is an apocalyptic number.

1289514123080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1289514123080 is an abundant number, since it is smaller than the sum of its proper divisors (1611892653940).

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

1289514123080 is a wasteful number, since it uses less digits than its factorization.

1289514123080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32237853088 (or 32237853084 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 1289514123080 in words is "one trillion, two hundred eighty-nine billion, five hundred fourteen million, one hundred twenty-three thousand, eighty".