122970147840 has 704 divisors, whose sum is σ = 453423928320. Its totient is φ = 31585075200.

The previous prime is 122970147827. The next prime is 122970147899. The reversal of 122970147840 is 48741079221.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 814371765 + ... + 814371915.

It is an arithmetic number, because the mean of its divisors is an integer number (644068080).

Almost surely, 2^122970147840 is an apocalyptic number.

122970147840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122970147840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226711964160).

122970147840 is an abundant number, since it is smaller than the sum of its proper divisors (330453780480).

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

122970147840 is a wasteful number, since it uses less digits than its factorization.

122970147840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 122970147840 in words is "one hundred twenty-two billion, nine hundred seventy million, one hundred forty-seven thousand, eight hundred forty".