122486340285 has 24 divisors (see below), whose sum is σ = 212522682840. Its totient is φ = 65260501632.

The previous prime is 122486340259. The next prime is 122486340299. The reversal of 122486340285 is 582043684221.

122486340285 is a `hidden beast` number, since 1 + 2 + 2 + 4 + 8 + 634 + 0 + 2 + 8 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 53759523321 + 68726816964 = 231861^2 + 262158^2 .

It is not a de Polignac number, because 122486340285 - 2¹¹ = 122486338237 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 122486340285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1320190 + ... + 1409919.

It is an arithmetic number, because the mean of its divisors is an integer number (8855111785).

Almost surely, 2^122486340285 is an apocalyptic number.

122486340285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122486340285 is a deficient number, since it is larger than the sum of its proper divisors (90036342555).

122486340285 is a wasteful number, since it uses less digits than its factorization.

122486340285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731117 (or 2731114 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 122486340285 in words is "one hundred twenty-two billion, four hundred eighty-six million, three hundred forty thousand, two hundred eighty-five".