3126542 has 4 divisors (see below), whose sum is σ = 4689816. Its totient is φ = 1563270.

The previous prime is 3126533. The next prime is 3126547. The reversal of 3126542 is 2456213.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2456213 = 29 ⋅84697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3126547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 781634 + ... + 781637.

It is an arithmetic number, because the mean of its divisors is an integer number (1172454).

Almost surely, 2^3126542 is an apocalyptic number.

3126542 is a deficient number, since it is larger than the sum of its proper divisors (1563274).

3126542 is a wasteful number, since it uses less digits than its factorization.

3126542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563273.

The product of its digits is 1440, while the sum is 23.

The square root of 3126542 is about 1768.2030426396. The cubic root of 3126542 is about 146.2249300783.

The spelling of 3126542 in words is "three million, one hundred twenty-six thousand, five hundred forty-two".