1671129 has 6 divisors (see below), whose sum is σ = 2413866. Its totient is φ = 1114080.

The previous prime is 1671121. The next prime is 1671133. The reversal of 1671129 is 9211761.

It can be written as a sum of positive squares in only one way, i.e., 1550025 + 121104 = 1245^2 + 348^2 .

It is not a de Polignac number, because 1671129 - 2³ = 1671121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1671121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92832 + ... + 92849.

It is an arithmetic number, because the mean of its divisors is an integer number (402311).

2^1671129 is an apocalyptic number.

It is an amenable number.

1671129 is a deficient number, since it is larger than the sum of its proper divisors (742737).

1671129 is a wasteful number, since it uses less digits than its factorization.

1671129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185687 (or 185684 counting only the distinct ones).

The product of its digits is 756, while the sum is 27.

The square root of 1671129 is about 1292.7215477434. The cubic root of 1671129 is about 118.6688294785.

It can be divided in two parts, 167 and 1129, that added together give a 4-th power (1296 = 6⁴).

The spelling of 1671129 in words is "one million, six hundred seventy-one thousand, one hundred twenty-nine".