121150001 has 16 divisors (see below), whose sum is σ = 142646400. Its totient is φ = 102841200.

The previous prime is 121149989. The next prime is 121150009. The reversal of 121150001 is 100051121.

It is not a de Polignac number, because 121150001 - 2⁶ = 121149937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121150009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35051 + ... + 38351.

It is an arithmetic number, because the mean of its divisors is an integer number (8915400).

Almost surely, 2^121150001 is an apocalyptic number.

It is an amenable number.

121150001 is a deficient number, since it is larger than the sum of its proper divisors (21496399).

121150001 is an equidigital number, since it uses as much as digits as its factorization.

121150001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429 (or 3415 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 121150001 is about 11006.8161154804. The cubic root of 121150001 is about 494.8130450670.

The spelling of 121150001 in words is "one hundred twenty-one million, one hundred fifty thousand, one".