122620034785440 has 96 divisors (see below), whose sum is σ = 387756040351680. Its totient is φ = 32571443707904.

The previous prime is 122620034785427. The next prime is 122620034785453. The reversal of 122620034785440 is 44587430026221.

It is an interprime number because it is at equal distance from previous prime (122620034785427) and next prime (122620034785453).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 122620034785440.

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 15 ways as a sum of consecutive naturals, for example, 496877430 + ... + 497124149.

It is an arithmetic number, because the mean of its divisors is an integer number (4039125420330).

Almost surely, 2^{122620034785440} is an apocalyptic number.

122620034785440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122620034785440 is an abundant number, since it is smaller than the sum of its proper divisors (265136005566240).

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

122620034785440 is a wasteful number, since it uses less digits than its factorization.

122620034785440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994001854 (or 994001846 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 122620034785440 in words is "one hundred twenty-two trillion, six hundred twenty billion, thirty-four million, seven hundred eighty-five thousand, four hundred forty".