122687576240 has 20 divisors (see below), whose sum is σ = 285248614944. Its totient is φ = 49075030464.

The previous prime is 122687576239. The next prime is 122687576257. The reversal of 122687576240 is 42675786221.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766797272 + ... + 766797431.

Almost surely, 2^122687576240 is an apocalyptic number.

122687576240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122687576240 is an abundant number, since it is smaller than the sum of its proper divisors (162561038704).

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

122687576240 is a wasteful number, since it uses less digits than its factorization.

122687576240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533594716 (or 1533594710 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 50.

The spelling of 122687576240 in words is "one hundred twenty-two billion, six hundred eighty-seven million, five hundred seventy-six thousand, two hundred forty".