1283501 has 8 divisors (see below), whose sum is σ = 1332504. Its totient is φ = 1235520.

The previous prime is 1283479. The next prime is 1283509. The reversal of 1283501 is 1053821.

It can be written as a sum of positive squares in 4 ways, for example, as 106276 + 1177225 = 326^2 + 1085^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1283501 - 2⁶ = 1283437 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 (1283509) 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, 3035 + ... + 3431.

It is an arithmetic number, because the mean of its divisors is an integer number (166563).

2^1283501 is an apocalyptic number.

It is an amenable number.

1283501 is a deficient number, since it is larger than the sum of its proper divisors (49003).

1283501 is an equidigital number, since it uses as much as digits as its factorization.

1283501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1283501 is about 1132.9170313840. The cubic root of 1283501 is about 108.6756059658.

The spelling of 1283501 in words is "one million, two hundred eighty-three thousand, five hundred one".