870137 has 2 divisors, whose sum is σ = 870138. Its totient is φ = 870136.

The previous prime is 870131. The next prime is 870151. The reversal of 870137 is 731078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 561001 + 309136 = 749^2 + 556^2 .

It is a cyclic number.

It is not a de Polignac number, because 870137 - 2¹⁸ = 607993 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (870131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435068 + 435069.

It is an arithmetic number, because the mean of its divisors is an integer number (435069).

2⁸⁷⁰¹³⁷ is an apocalyptic number.

It is an amenable number.

870137 is a deficient number, since it is larger than the sum of its proper divisors (1).

870137 is an equidigital number, since it uses as much as digits as its factorization.

870137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 870137 is about 932.8113421266. The cubic root of 870137 is about 95.4690377776.

The spelling of 870137 in words is "eight hundred seventy thousand, one hundred thirty-seven".