361129 has 4 divisors (see below), whose sum is σ = 362880. Its totient is φ = 359380.

The previous prime is 361111. The next prime is 361159. The reversal of 361129 is 921163.

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, and also an emirpimes, since its reverse is a distinct semiprime: 921163 = 107 ⋅8609.

It is a cyclic number.

It is not a de Polignac number, because 361129 - 2⁷ = 361001 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

361129 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (361159) 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, 517 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2³⁶¹¹²⁹ is an apocalyptic number.

It is an amenable number.

361129 is a deficient number, since it is larger than the sum of its proper divisors (1751).

361129 is a wasteful number, since it uses less digits than its factorization.

361129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750.

The product of its digits is 324, while the sum is 22.

The square root of 361129 is about 600.9400968483. The cubic root of 361129 is about 71.2121539030.

The spelling of 361129 in words is "three hundred sixty-one thousand, one hundred twenty-nine".