122761961 has 8 divisors (see below), whose sum is σ = 140847360. Its totient is φ = 104813568.

The previous prime is 122761931. The next prime is 122761997. The reversal of 122761961 is 169167221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122761961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122761921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32321 + ... + 35918.

It is an arithmetic number, because the mean of its divisors is an integer number (17605920).

Almost surely, 2^122761961 is an apocalyptic number.

It is an amenable number.

122761961 is a deficient number, since it is larger than the sum of its proper divisors (18085399).

122761961 is an equidigital number, since it uses as much as digits as its factorization.

122761961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68503.

The product of its digits is 9072, while the sum is 35.

The square root of 122761961 is about 11079.7996823047. The cubic root of 122761961 is about 496.9979595801.

The spelling of 122761961 in words is "one hundred twenty-two million, seven hundred sixty-one thousand, nine hundred sixty-one".