354129 has 4 divisors (see below), whose sum is σ = 472176. Its totient is φ = 236084.

The previous prime is 354121. The next prime is 354139. The reversal of 354129 is 921453.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 354129 - 2³ = 354121 is a prime.

It is a D-number.

354129 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 354099 and 354108.

It is not an unprimeable number, because it can be changed into a prime (354121) 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, 59019 + ... + 59024.

It is an arithmetic number, because the mean of its divisors is an integer number (118044).

2³⁵⁴¹²⁹ is an apocalyptic number.

It is an amenable number.

354129 is a deficient number, since it is larger than the sum of its proper divisors (118047).

354129 is a wasteful number, since it uses less digits than its factorization.

354129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118046.

The product of its digits is 1080, while the sum is 24.

The square root of 354129 is about 595.0873885405. The cubic root of 354129 is about 70.7490312728.

It can be divided in two parts, 3541 and 29, that added together give a triangular number (3570 = T₈₄).

The spelling of 354129 in words is "three hundred fifty-four thousand, one hundred twenty-nine".