1020371 has 4 divisors (see below), whose sum is σ = 1113144. Its totient is φ = 927600.

The previous prime is 1020361. The next prime is 1020379. The reversal of 1020371 is 1730201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1730201 = 11 ⋅157291.

It is a cyclic number.

It is not a de Polignac number, because 1020371 - 2¹⁸ = 758227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46370 + ... + 46391.

It is an arithmetic number, because the mean of its divisors is an integer number (278286).

2^1020371 is an apocalyptic number.

1020371 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1020371 is a deficient number, since it is larger than the sum of its proper divisors (92773).

1020371 is an equidigital number, since it uses as much as digits as its factorization.

1020371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92772.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 1020371 is about 1010.1341495069. The cubic root of 1020371 is about 100.6744739546.

Adding to 1020371 its reverse (1730201), we get a palindrome (2750572).

The spelling of 1020371 in words is "one million, twenty thousand, three hundred seventy-one".