1590042 has 8 divisors (see below), whose sum is σ = 3180096. Its totient is φ = 530012.

The previous prime is 1590037. The next prime is 1590047. The reversal of 1590042 is 2400951.

It is an interprime number because it is at equal distance from previous prime (1590037) and next prime (1590047).

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

1590042 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1590047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132498 + ... + 132509.

It is an arithmetic number, because the mean of its divisors is an integer number (397512).

2^1590042 is an apocalyptic number.

1590042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1590042 is a wasteful number, since it uses less digits than its factorization.

1590042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265012.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1590042 is about 1260.9686752652. The cubic root of 1590042 is about 116.7175596554.

Adding to 1590042 its reverse (2400951), we get a palindrome (3990993).

The spelling of 1590042 in words is "one million, five hundred ninety thousand, forty-two".