1020437 has 4 divisors (see below), whose sum is σ = 1113216. Its totient is φ = 927660.

The previous prime is 1020431. The next prime is 1020451. The reversal of 1020437 is 7340201.

It is a happy number.

1020437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1020437 - 2¹⁰ = 1019413 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020431) 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, 46373 + ... + 46394.

It is an arithmetic number, because the mean of its divisors is an integer number (278304).

2^1020437 is an apocalyptic number.

It is an amenable number.

1020437 is a deficient number, since it is larger than the sum of its proper divisors (92779).

1020437 is an equidigital number, since it uses as much as digits as its factorization.

1020437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92778.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1020437 is about 1010.1668179068. The cubic root of 1020437 is about 100.6766445285.

Adding to 1020437 its reverse (7340201), we get a palindrome (8360638).

The spelling of 1020437 in words is "one million, twenty thousand, four hundred thirty-seven".