1023245 has 8 divisors (see below), whose sum is σ = 1292640. Its totient is φ = 775440.

The previous prime is 1023229. The next prime is 1023257. The reversal of 1023245 is 5423201.

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

It is not a de Polignac number, because 1023245 - 2⁴ = 1023229 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5291 + ... + 5480.

It is an arithmetic number, because the mean of its divisors is an integer number (161580).

2^1023245 is an apocalyptic number.

It is an amenable number.

1023245 is a deficient number, since it is larger than the sum of its proper divisors (269395).

1023245 is a wasteful number, since it uses less digits than its factorization.

1023245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10795.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1023245 is about 1011.5557325229. Note that the first 3 decimals coincide. The cubic root of 1023245 is about 100.7689060157.

Adding to 1023245 its reverse (5423201), we get a palindrome (6446446).

The spelling of 1023245 in words is "one million, twenty-three thousand, two hundred forty-five".