1298133 has 8 divisors (see below), whose sum is σ = 1923200. Its totient is φ = 865404.

The previous prime is 1298131. The next prime is 1298149. The reversal of 1298133 is 3318921.

1298133 = T₁₃₇ + T₁₃₈ + ... + T₂₁₇.

It is not a de Polignac number, because 1298133 - 2¹ = 1298131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 48079 = 1298133 / (1 + 2 + 9 + 8 + 1 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1298097 and 1298106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24013 + ... + 24066.

It is an arithmetic number, because the mean of its divisors is an integer number (240400).

2^1298133 is an apocalyptic number.

It is an amenable number.

1298133 is a deficient number, since it is larger than the sum of its proper divisors (625067).

1298133 is an equidigital number, since it uses as much as digits as its factorization.

1298133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48088 (or 48082 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1298133 is about 1139.3563972700. The cubic root of 1298133 is about 109.0870163384.

It can be divided in two parts, 1298 and 133, that added together give a triangular number (1431 = T₅₃).

The spelling of 1298133 in words is "one million, two hundred ninety-eight thousand, one hundred thirty-three".