122492861 has 8 divisors (see below), whose sum is σ = 124590144. Its totient is φ = 120412800.

The previous prime is 122492849. The next prime is 122492893. The reversal of 122492861 is 168294221.

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 122492861 - 2¹⁴ = 122476477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122492801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10466 + ... + 18828.

It is an arithmetic number, because the mean of its divisors is an integer number (15573768).

Almost surely, 2^122492861 is an apocalyptic number.

It is an amenable number.

122492861 is a deficient number, since it is larger than the sum of its proper divisors (2097283).

122492861 is an equidigital number, since it uses as much as digits as its factorization.

122492861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8611.

The product of its digits is 13824, while the sum is 35.

The square root of 122492861 is about 11067.6492987445. The cubic root of 122492861 is about 496.6345462664.

The spelling of 122492861 in words is "one hundred twenty-two million, four hundred ninety-two thousand, eight hundred sixty-one".