851270 has 16 divisors (see below), whose sum is σ = 1751328. Its totient is φ = 291840.

The previous prime is 851267. The next prime is 851273. The reversal of 851270 is 72158.

It is an interprime number because it is at equal distance from previous prime (851267) and next prime (851273).

It is a super-2 number, since 2×851270² = 1449321225800, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 851270.

It is not an unprimeable number, because it can be changed into a prime (851273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6011 + ... + 6150.

It is an arithmetic number, because the mean of its divisors is an integer number (109458).

2⁸⁵¹²⁷⁰ is an apocalyptic number.

851270 is an abundant number, since it is smaller than the sum of its proper divisors (900058).

It is a weird number, because it is abundant, but not a pseudoperfect number.

851270 is a wasteful number, since it uses less digits than its factorization.

851270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12175.

The product of its (nonzero) digits is 560, while the sum is 23.

The square root of 851270 is about 922.6429428549. The cubic root of 851270 is about 94.7739779147.

The spelling of 851270 in words is "eight hundred fifty-one thousand, two hundred seventy".