122136465 has 32 divisors (see below), whose sum is σ = 224409600. Its totient is φ = 56099520.

The previous prime is 122136461. The next prime is 122136479. The reversal of 122136465 is 564631221.

It is not a de Polignac number, because 122136465 - 2² = 122136461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122136461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16345 + ... + 22614.

It is an arithmetic number, because the mean of its divisors is an integer number (7012800).

Almost surely, 2^122136465 is an apocalyptic number.

122136465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122136465 is a deficient number, since it is larger than the sum of its proper divisors (102273135).

122136465 is a wasteful number, since it uses less digits than its factorization.

122136465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38997.

The product of its digits is 8640, while the sum is 30.

The square root of 122136465 is about 11051.5367709654. The cubic root of 122136465 is about 496.1524215590.

Adding to 122136465 its reverse (564631221), we get a palindrome (686767686).

The spelling of 122136465 in words is "one hundred twenty-two million, one hundred thirty-six thousand, four hundred sixty-five".