122140235465 has 8 divisors (see below), whose sum is σ = 150529587720. Its totient is φ = 95071318272.

The previous prime is 122140235419. The next prime is 122140235479. The reversal of 122140235465 is 564532041221.

It can be written as a sum of positive squares in 4 ways, for example, as 69248975104 + 52891260361 = 263152^2 + 229981^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 122140235465 - 2⁸ = 122140235209 is a prime.

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, 330108560 + ... + 330108929.

It is an arithmetic number, because the mean of its divisors is an integer number (18816198465).

Almost surely, 2^122140235465 is an apocalyptic number.

It is an amenable number.

122140235465 is a deficient number, since it is larger than the sum of its proper divisors (28389352255).

122140235465 is an equidigital number, since it uses as much as digits as its factorization.

122140235465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660217531.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 122140235465 its reverse (564532041221), we get a palindrome (686672276686).

The spelling of 122140235465 in words is "one hundred twenty-two billion, one hundred forty million, two hundred thirty-five thousand, four hundred sixty-five".