61075123 has 16 divisors (see below), whose sum is σ = 64744704. Its totient is φ = 57546720.

The previous prime is 61075111. The next prime is 61075129. The reversal of 61075123 is 32157016.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61075123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61075129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175836 + ... + 176182.

It is an arithmetic number, because the mean of its divisors is an integer number (4046544).

Almost surely, 2^61075123 is an apocalyptic number.

61075123 is a deficient number, since it is larger than the sum of its proper divisors (3669581).

61075123 is a wasteful number, since it uses less digits than its factorization.

61075123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 61075123 is about 7815.0574534037. The cubic root of 61075123 is about 393.8112484549.

The spelling of 61075123 in words is "sixty-one million, seventy-five thousand, one hundred twenty-three".