3120542 has 4 divisors (see below), whose sum is σ = 4680816. Its totient is φ = 1560270.

The previous prime is 3120539. The next prime is 3120547. The reversal of 3120542 is 2450213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2450213 = 23 ⋅106531.

It is a self number, because there is not a number n which added to its sum of digits gives 3120542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3120547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 780134 + ... + 780137.

It is an arithmetic number, because the mean of its divisors is an integer number (1170204).

Almost surely, 2^3120542 is an apocalyptic number.

3120542 is a deficient number, since it is larger than the sum of its proper divisors (1560274).

3120542 is a wasteful number, since it uses less digits than its factorization.

3120542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1560273.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 3120542 is about 1766.5055901412. The cubic root of 3120542 is about 146.1313323798.

Adding to 3120542 its reverse (2450213), we get a palindrome (5570755).

The spelling of 3120542 in words is "three million, one hundred twenty thousand, five hundred forty-two".