122105835 has 24 divisors (see below), whose sum is σ = 215124624. Its totient is φ = 64054080.

The previous prime is 122105821. The next prime is 122105839. The reversal of 122105835 is 538501221.

It is a happy number.

It is not a de Polignac number, because 122105835 - 2⁸ = 122105579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122105799 and 122105808.

It is not an unprimeable number, because it can be changed into a prime (122105839) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19497 + ... + 24986.

It is an arithmetic number, because the mean of its divisors is an integer number (8963526).

Almost surely, 2^122105835 is an apocalyptic number.

122105835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122105835 is a deficient number, since it is larger than the sum of its proper divisors (93018789).

122105835 is a wasteful number, since it uses less digits than its factorization.

122105835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44555 (or 44552 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 122105835 is about 11050.1509039470. The cubic root of 122105835 is about 496.1109422207.

The spelling of 122105835 in words is "one hundred twenty-two million, one hundred five thousand, eight hundred thirty-five".