146634121 has 4 divisors (see below), whose sum is σ = 151690500. Its totient is φ = 141577744.

The previous prime is 146634113. The next prime is 146634127. The reversal of 146634121 is 121436641.

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

It can be written as a sum of positive squares in 2 ways, for example, as 63824121 + 82810000 = 7989^2 + 9100^2 .

It is a cyclic number.

It is not a de Polignac number, because 146634121 - 2³ = 146634113 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 146634121.

It is not an unprimeable number, because it can be changed into a prime (146634127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2528146 + ... + 2528203.

It is an arithmetic number, because the mean of its divisors is an integer number (37922625).

Almost surely, 2^146634121 is an apocalyptic number.

It is an amenable number.

146634121 is a deficient number, since it is larger than the sum of its proper divisors (5056379).

146634121 is an equidigital number, since it uses as much as digits as its factorization.

146634121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056378.

The product of its digits is 3456, while the sum is 28.

The square root of 146634121 is about 12109.2576568508. The cubic root of 146634121 is about 527.3249822558.

The spelling of 146634121 in words is "one hundred forty-six million, six hundred thirty-four thousand, one hundred twenty-one".