1354239 has 12 divisors (see below), whose sum is σ = 2028936. Its totient is φ = 902664.

The previous prime is 1354231. The next prime is 1354247. The reversal of 1354239 is 9324531.

It is an interprime number because it is at equal distance from previous prime (1354231) and next prime (1354247).

It is not a de Polignac number, because 1354239 - 2³ = 1354231 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

1354239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1354231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2544 + ... + 3029.

It is an arithmetic number, because the mean of its divisors is an integer number (169078).

2^1354239 is an apocalyptic number.

1354239 is a deficient number, since it is larger than the sum of its proper divisors (674697).

1354239 is an frugal number, since it uses more digits than its factorization.

1354239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5588 (or 5576 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 1354239 is about 1163.7177492846. The cubic root of 1354239 is about 110.6365026821.

The spelling of 1354239 in words is "one million, three hundred fifty-four thousand, two hundred thirty-nine".