1013245 has 8 divisors (see below), whose sum is σ = 1248984. Its totient is φ = 788544.

The previous prime is 1013239. The next prime is 1013249. The reversal of 1013245 is 5423101.

It can be written as a sum of positive squares in 4 ways, for example, as 649636 + 363609 = 806^2 + 603^2 .

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

It is not a de Polignac number, because 1013245 - 2³ = 1013237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013249) 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, 2554 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (156123).

2^1013245 is an apocalyptic number.

It is an amenable number.

1013245 is a deficient number, since it is larger than the sum of its proper divisors (235739).

1013245 is an equidigital number, since it uses as much as digits as its factorization.

1013245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5519.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1013245 is about 1006.6007152789. The cubic root of 1013245 is about 100.4395649951.

Adding to 1013245 its reverse (5423101), we get a palindrome (6436346).

The spelling of 1013245 in words is "one million, thirteen thousand, two hundred forty-five".