121647002 has 16 divisors (see below), whose sum is σ = 193651560. Its totient is φ = 57113088.

The previous prime is 121646989. The next prime is 121647037. The reversal of 121647002 is 200746121.

It can be written as a sum of positive squares in 4 ways, for example, as 114297481 + 7349521 = 10691^2 + 2711^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11624 + ... + 19452.

Almost surely, 2^121647002 is an apocalyptic number.

121647002 is a deficient number, since it is larger than the sum of its proper divisors (72004558).

121647002 is a wasteful number, since it uses less digits than its factorization.

121647002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8305.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 121647002 is about 11029.3699729404. The cubic root of 121647002 is about 495.4887557639.

The spelling of 121647002 in words is "one hundred twenty-one million, six hundred forty-seven thousand, two".