122002315145 has 8 divisors (see below), whose sum is σ = 146947028040. Its totient is φ = 97239018880.

The previous prime is 122002315037. The next prime is 122002315163. The reversal of 122002315145 is 541513200221.

It can be written as a sum of positive squares in 4 ways, for example, as 1354460809 + 120647854336 = 36803^2 + 347344^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122002315145 - 2²² = 121998120841 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45352676 + ... + 45355365.

It is an arithmetic number, because the mean of its divisors is an integer number (18368378505).

Almost surely, 2^122002315145 is an apocalyptic number.

It is an amenable number.

122002315145 is a deficient number, since it is larger than the sum of its proper divisors (24944712895).

122002315145 is an equidigital number, since it uses as much as digits as its factorization.

122002315145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90708315.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 122002315145 its reverse (541513200221), we get a palindrome (663515515366).

The spelling of 122002315145 in words is "one hundred twenty-two billion, two million, three hundred fifteen thousand, one hundred forty-five".