1559242 has 4 divisors (see below), whose sum is σ = 2338866. Its totient is φ = 779620.

The previous prime is 1559227. The next prime is 1559267. The reversal of 1559242 is 2429551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1185921 + 373321 = 1089^2 + 611^2 .

It is a super-2 number, since 2×1559242² = 4862471229128, which contains 22 as substring.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1559242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389809 + ... + 389812.

2^1559242 is an apocalyptic number.

1559242 is a deficient number, since it is larger than the sum of its proper divisors (779624).

1559242 is an equidigital number, since it uses as much as digits as its factorization.

1559242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779623.

The product of its digits is 3600, while the sum is 28.

The square root of 1559242 is about 1248.6961199587. The cubic root of 1559242 is about 115.9590124712.

The spelling of 1559242 in words is "one million, five hundred fifty-nine thousand, two hundred forty-two".