121429545 has 8 divisors (see below), whose sum is σ = 194287296. Its totient is φ = 64762416.

The previous prime is 121429543. The next prime is 121429571. The reversal of 121429545 is 545924121.

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

It is not a de Polignac number, because 121429545 - 2¹ = 121429543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121429543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4047637 + ... + 4047666.

It is an arithmetic number, because the mean of its divisors is an integer number (24285912).

Almost surely, 2^121429545 is an apocalyptic number.

121429545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121429545 is a deficient number, since it is larger than the sum of its proper divisors (72857751).

121429545 is an equidigital number, since it uses as much as digits as its factorization.

121429545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8095311.

The product of its digits is 14400, while the sum is 33.

The square root of 121429545 is about 11019.5074753820. The cubic root of 121429545 is about 495.1933333154.

The spelling of 121429545 in words is "one hundred twenty-one million, four hundred twenty-nine thousand, five hundred forty-five".