121652018 has 16 divisors (see below), whose sum is σ = 185454360. Its totient is φ = 59838336.

The previous prime is 121652009. The next prime is 121652023. The reversal of 121652018 is 810256121.

It can be written as a sum of positive squares in 4 ways, for example, as 94225849 + 27426169 = 9707^2 + 5237^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73496 + ... + 75132.

Almost surely, 2^121652018 is an apocalyptic number.

121652018 is a deficient number, since it is larger than the sum of its proper divisors (63802342).

121652018 is a wasteful number, since it uses less digits than its factorization.

121652018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 121652018 is about 11029.5973634580. The cubic root of 121652018 is about 495.4955660083.

The spelling of 121652018 in words is "one hundred twenty-one million, six hundred fifty-two thousand, eighteen".