1002450122505 has 192 divisors, whose sum is σ = 2127423352320. Its totient is φ = 444283564032.

The previous prime is 1002450122473. The next prime is 1002450122519. The reversal of 1002450122505 is 5052210542001.

1002450122505 is a `hidden beast` number, since 10 + 0 + 24 + 5 + 0 + 122 + 505 = 666.

It is not a de Polignac number, because 1002450122505 - 2⁵ = 1002450122473 is a prime.

It is a super-2 number, since 2×1002450122505² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11622519 + ... + 11708451.

It is an arithmetic number, because the mean of its divisors is an integer number (11080329960).

Almost surely, 2^{1002450122505} is an apocalyptic number.

1002450122505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002450122505 is an abundant number, since it is smaller than the sum of its proper divisors (1124973229815).

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

1002450122505 is a wasteful number, since it uses less digits than its factorization.

1002450122505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86017 (or 85994 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 1002450122505 its reverse (5052210542001), we get a palindrome (6054660664506).

The spelling of 1002450122505 in words is "one trillion, two billion, four hundred fifty million, one hundred twenty-two thousand, five hundred five".