1237085 has 8 divisors (see below), whose sum is σ = 1490616. Its totient is φ = 985600.

The previous prime is 1237079. The next prime is 1237091. The reversal of 1237085 is 5807321.

It is an interprime number because it is at equal distance from previous prime (1237079) and next prime (1237091).

It can be written as a sum of positive squares in 4 ways, for example, as 151321 + 1085764 = 389^2 + 1042^2 .

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

It is not a de Polignac number, because 1237085 - 2¹⁶ = 1171549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1697 + ... + 2313.

It is an arithmetic number, because the mean of its divisors is an integer number (186327).

2^1237085 is an apocalyptic number.

It is an amenable number.

1237085 is a deficient number, since it is larger than the sum of its proper divisors (253531).

1237085 is an equidigital number, since it uses as much as digits as its factorization.

1237085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1237085 is about 1112.2432287949. The cubic root of 1237085 is about 107.3494557609.

Multiplying 1237085 by its sum of digits (26), we get a triangular number (32164210 = T₈₀₂₀).

The spelling of 1237085 in words is "one million, two hundred thirty-seven thousand, eighty-five".