1027215 has 32 divisors (see below), whose sum is σ = 2088960. Its totient is φ = 469152.

The previous prime is 1027211. The next prime is 1027223. The reversal of 1027215 is 5127201.

It is not a de Polignac number, because 1027215 - 2² = 1027211 is a prime.

1027215 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027211) 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 31 ways as a sum of consecutive naturals, for example, 402 + ... + 1488.

It is an arithmetic number, because the mean of its divisors is an integer number (65280).

2^1027215 is an apocalyptic number.

1027215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1027215 is an abundant number, since it is smaller than the sum of its proper divisors (1061745).

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

1027215 is a wasteful number, since it uses less digits than its factorization.

1027215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 1027215 is about 1013.5161567533. The cubic root of 1027215 is about 100.8990593654.

It can be divided in two parts, 10 and 27215, that added together give a square (27225 = 165²).

The spelling of 1027215 in words is "one million, twenty-seven thousand, two hundred fifteen".