122636541 has 8 divisors (see below), whose sum is σ = 166600800. Its totient is φ = 80214992.

The previous prime is 122636533. The next prime is 122636543. The reversal of 122636541 is 145636221.

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 122636541 - 2³ = 122636533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122636499 and 122636508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122636543) 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, 385491 + ... + 385808.

It is an arithmetic number, because the mean of its divisors is an integer number (20825100).

Almost surely, 2^122636541 is an apocalyptic number.

It is an amenable number.

122636541 is a deficient number, since it is larger than the sum of its proper divisors (43964259).

122636541 is an equidigital number, since it uses as much as digits as its factorization.

122636541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771355.

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

The square root of 122636541 is about 11074.1383863486. The cubic root of 122636541 is about 496.8286489257.

The spelling of 122636541 in words is "one hundred twenty-two million, six hundred thirty-six thousand, five hundred forty-one".