121501002 has 16 divisors (see below), whose sum is σ = 277716672. Its totient is φ = 34714560.

The previous prime is 121500983. The next prime is 121501013. The reversal of 121501002 is 200105121.

It is an unprimeable number.

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, 1446399 + ... + 1446482.

It is an arithmetic number, because the mean of its divisors is an integer number (17357292).

Almost surely, 2^121501002 is an apocalyptic number.

121501002 is an abundant number, since it is smaller than the sum of its proper divisors (156215670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121501002 is a wasteful number, since it uses less digits than its factorization.

121501002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892893.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 121501002 is about 11022.7492940736. The cubic root of 121501002 is about 495.2904488659.

Adding to 121501002 its reverse (200105121), we get a palindrome (321606123).

The spelling of 121501002 in words is "one hundred twenty-one million, five hundred one thousand, two".