1342549 has 8 divisors (see below), whose sum is σ = 1470392. Its totient is φ = 1218240.

The previous prime is 1342547. The next prime is 1342567. The reversal of 1342549 is 9452431.

It can be written as a sum of positive squares in 4 ways, for example, as 36100 + 1306449 = 190^2 + 1143^2 .

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 1342549 - 2¹ = 1342547 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 (1342547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (183799).

2^1342549 is an apocalyptic number.

It is an amenable number.

1342549 is a deficient number, since it is larger than the sum of its proper divisors (127843).

1342549 is a wasteful number, since it uses less digits than its factorization.

1342549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767.

The product of its digits is 4320, while the sum is 28.

The square root of 1342549 is about 1158.6841674935. The cubic root of 1342549 is about 110.3172384791.

It can be divided in two parts, 1342 and 549, that added together give a triangular number (1891 = T₆₁).

The spelling of 1342549 in words is "one million, three hundred forty-two thousand, five hundred forty-nine".