1027158 has 32 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 305760.

The previous prime is 1027153. The next prime is 1027163. The reversal of 1027158 is 8517201.

It is an interprime number because it is at equal distance from previous prime (1027153) and next prime (1027163).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5116 + ... + 5312.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2^1027158 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1027158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1140480).

1027158 is an abundant number, since it is smaller than the sum of its proper divisors (1253802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1027158 is a wasteful number, since it uses less digits than its factorization.

1027158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292.

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1027158 is about 1013.4880364365. The cubic root of 1027158 is about 100.8971930398.

It can be divided in two parts, 102 and 7158, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 1027158 in words is "one million, twenty-seven thousand, one hundred fifty-eight".