61152127 has 4 divisors (see below), whose sum is σ = 64370680. Its totient is φ = 57933576.

The previous prime is 61152121. The next prime is 61152139. The reversal of 61152127 is 72125116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61152127 - 2⁷ = 61151999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61152121) 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 3 ways as a sum of consecutive naturals, for example, 1609248 + ... + 1609285.

It is an arithmetic number, because the mean of its divisors is an integer number (16092670).

Almost surely, 2^61152127 is an apocalyptic number.

61152127 is a deficient number, since it is larger than the sum of its proper divisors (3218553).

61152127 is a wasteful number, since it uses less digits than its factorization.

61152127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218552.

The product of its digits is 840, while the sum is 25.

The square root of 61152127 is about 7819.9825447376. The cubic root of 61152127 is about 393.9766857291.

The spelling of 61152127 in words is "sixty-one million, one hundred fifty-two thousand, one hundred twenty-seven".