121029151 has 12 divisors (see below), whose sum is σ = 130817232. Its totient is φ = 111757184.

The previous prime is 121029143. The next prime is 121029163. The reversal of 121029151 is 151920121.

It is not a de Polignac number, because 121029151 - 2³ = 121029143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121021151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16215 + ... + 22471.

It is an arithmetic number, because the mean of its divisors is an integer number (10901436).

Almost surely, 2^121029151 is an apocalyptic number.

121029151 is a deficient number, since it is larger than the sum of its proper divisors (9788081).

121029151 is an equidigital number, since it uses as much as digits as its factorization.

121029151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6338 (or 6309 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 121029151 is about 11001.3249656575. The cubic root of 121029151 is about 494.6484610791.

Adding to 121029151 its reverse (151920121), we get a palindrome (272949272).

The spelling of 121029151 in words is "one hundred twenty-one million, twenty-nine thousand, one hundred fifty-one".