122509760461 has 4 divisors (see below), whose sum is σ = 133647011424. Its totient is φ = 111372509500.

The previous prime is 122509760431. The next prime is 122509760473. The reversal of 122509760461 is 164067905221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122509760461 - 2⁷ = 122509760333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122509760431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5568625465 + ... + 5568625486.

It is an arithmetic number, because the mean of its divisors is an integer number (33411752856).

Almost surely, 2^122509760461 is an apocalyptic number.

122509760461 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122509760461 is a deficient number, since it is larger than the sum of its proper divisors (11137250963).

122509760461 is a wasteful number, since it uses less digits than its factorization.

122509760461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137250962.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 122509760461 in words is "one hundred twenty-two billion, five hundred nine million, seven hundred sixty thousand, four hundred sixty-one".