122949629692861 has 4 divisors (see below), whose sum is σ = 122950001402272. Its totient is φ = 122949257983452.

The previous prime is 122949629692837. The next prime is 122949629692913. The reversal of 122949629692861 is 168296926949221.

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 122949629692861 - 2⁷ = 122949629692733 is a prime.

It is a super-2 number, since 2×122949629692861² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122949629692811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185358111 + ... + 186020236.

It is an arithmetic number, because the mean of its divisors is an integer number (30737500350568).

Almost surely, 2^{122949629692861} is an apocalyptic number.

It is an amenable number.

122949629692861 is a deficient number, since it is larger than the sum of its proper divisors (371709411).

122949629692861 is an equidigital number, since it uses as much as digits as its factorization.

122949629692861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371709410.

The product of its digits is 725594112, while the sum is 76.

The spelling of 122949629692861 in words is "one hundred twenty-two trillion, nine hundred forty-nine billion, six hundred twenty-nine million, six hundred ninety-two thousand, eight hundred sixty-one".