122205994 has 8 divisors (see below), whose sum is σ = 187780068. Its totient is φ = 59612640.

The previous prime is 122205977. The next prime is 122206001. The reversal of 122205994 is 499502221.

It can be written as a sum of positive squares in 2 ways, for example, as 121815369 + 390625 = 11037^2 + 625^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 745077 + ... + 745240.

Almost surely, 2^122205994 is an apocalyptic number.

122205994 is a deficient number, since it is larger than the sum of its proper divisors (65574074).

122205994 is a wasteful number, since it uses less digits than its factorization.

122205994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490360.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 122205994 is about 11054.6819945216. The cubic root of 122205994 is about 496.2465524360.

It can be divided in two parts, 122 and 205994, that added together give a square (206116 = 454²).

The spelling of 122205994 in words is "one hundred twenty-two million, two hundred five thousand, nine hundred ninety-four".