121602150555 has 8 divisors (see below), whose sum is σ = 194563440912. Its totient is φ = 64854480288.

The previous prime is 121602150503. The next prime is 121602150581. The reversal of 121602150555 is 555051206121.

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

It is not a de Polignac number, because 121602150555 - 2¹⁵ = 121602117787 is a prime.

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, 4053405004 + ... + 4053405033.

It is an arithmetic number, because the mean of its divisors is an integer number (24320430114).

Almost surely, 2^121602150555 is an apocalyptic number.

121602150555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121602150555 is a deficient number, since it is larger than the sum of its proper divisors (72961290357).

121602150555 is an equidigital number, since it uses as much as digits as its factorization.

121602150555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8106810045.

The product of its (nonzero) digits is 15000, while the sum is 33.

Adding to 121602150555 its reverse (555051206121), we get a palindrome (676653356676).

The spelling of 121602150555 in words is "one hundred twenty-one billion, six hundred two million, one hundred fifty thousand, five hundred fifty-five".