146121099 has 4 divisors (see below), whose sum is σ = 194828136. Its totient is φ = 97414064.

The previous prime is 146121067. The next prime is 146121113. The reversal of 146121099 is 990121641.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 146121099 - 2⁵ = 146121067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146121299) 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 3 ways as a sum of consecutive naturals, for example, 24353514 + ... + 24353519.

It is an arithmetic number, because the mean of its divisors is an integer number (48707034).

Almost surely, 2^146121099 is an apocalyptic number.

146121099 is a deficient number, since it is larger than the sum of its proper divisors (48707037).

146121099 is an equidigital number, since it uses as much as digits as its factorization.

146121099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48707036.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 146121099 is about 12088.0560471897. The cubic root of 146121099 is about 526.7092878413.

The spelling of 146121099 in words is "one hundred forty-six million, one hundred twenty-one thousand, ninety-nine".