1298137 has 8 divisors (see below), whose sum is σ = 1447200. Its totient is φ = 1157184.

The previous prime is 1298131. The next prime is 1298149. The reversal of 1298137 is 7318921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1298137 - 2¹¹ = 1296089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1298099 and 1298108.

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, 1687 + ... + 2332.

It is an arithmetic number, because the mean of its divisors is an integer number (180900).

2^1298137 is an apocalyptic number.

1298137 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1298137 is a deficient number, since it is larger than the sum of its proper divisors (149063).

1298137 is a wasteful number, since it uses less digits than its factorization.

1298137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4055.

The product of its digits is 3024, while the sum is 31.

The square root of 1298137 is about 1139.3581526456. The cubic root of 1298137 is about 109.0871283833.

The spelling of 1298137 in words is "one million, two hundred ninety-eight thousand, one hundred thirty-seven".