146905121 has 8 divisors (see below), whose sum is σ = 161157600. Its totient is φ = 132802240.

The previous prime is 146905111. The next prime is 146905123. The reversal of 146905121 is 121509641.

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

It is a cyclic number.

It is not a de Polignac number, because 146905121 - 2¹⁴ = 146888737 is a prime.

It is a super-2 number, since 2×146905121² = 43162229152049282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146905123) 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, 35336 + ... + 39273.

It is an arithmetic number, because the mean of its divisors is an integer number (20144700).

Almost surely, 2^146905121 is an apocalyptic number.

146905121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

146905121 is a deficient number, since it is larger than the sum of its proper divisors (14252479).

146905121 is a wasteful number, since it uses less digits than its factorization.

146905121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74799.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 146905121 is about 12120.4422774089. The cubic root of 146905121 is about 527.6496386715.

The spelling of 146905121 in words is "one hundred forty-six million, nine hundred five thousand, one hundred twenty-one".