1023485 has 8 divisors (see below), whose sum is σ = 1300536. Its totient is φ = 770560.

The previous prime is 1023467. The next prime is 1023487. The reversal of 1023485 is 5843201.

It can be written as a sum of positive squares in 4 ways, for example, as 268324 + 755161 = 518^2 + 869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1023485 - 2⁸ = 1023229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1023485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023487) 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, 5936 + ... + 6105.

It is an arithmetic number, because the mean of its divisors is an integer number (162567).

2^1023485 is an apocalyptic number.

It is an amenable number.

1023485 is a deficient number, since it is larger than the sum of its proper divisors (277051).

1023485 is a wasteful number, since it uses less digits than its factorization.

1023485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12063.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1023485 is about 1011.6743547209. The cubic root of 1023485 is about 100.7767837794.

Adding to 1023485 its reverse (5843201), we get a palindrome (6866686).

The spelling of 1023485 in words is "one million, twenty-three thousand, four hundred eighty-five".