65124642 has 16 divisors (see below), whose sum is σ = 142090272. Its totient is φ = 19734720.

The previous prime is 65124599. The next prime is 65124643. The reversal of 65124642 is 24642156.

65124642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (65124643) 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 in 7 ways as a sum of consecutive naturals, for example, 493303 + ... + 493434.

It is an arithmetic number, because the mean of its divisors is an integer number (8880642).

Almost surely, 2^65124642 is an apocalyptic number.

65124642 is an abundant number, since it is smaller than the sum of its proper divisors (76965630).

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

65124642 is a wasteful number, since it uses less digits than its factorization.

65124642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986753.

The product of its digits is 11520, while the sum is 30.

The square root of 65124642 is about 8069.9840148541. The cubic root of 65124642 is about 402.3294124282.

Adding to 65124642 its reverse (24642156), we get a palindrome (89766798).

The spelling of 65124642 in words is "sixty-five million, one hundred twenty-four thousand, six hundred forty-two".