61125387 has 8 divisors (see below), whose sum is σ = 86294736. Its totient is φ = 38353152.

The previous prime is 61125349. The next prime is 61125401. The reversal of 61125387 is 78352116.

61125387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61125387 - 2⁸ = 61125131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61125307) 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, 599218 + ... + 599319.

It is an arithmetic number, because the mean of its divisors is an integer number (10786842).

Almost surely, 2^61125387 is an apocalyptic number.

61125387 is a deficient number, since it is larger than the sum of its proper divisors (25169349).

61125387 is a wasteful number, since it uses less digits than its factorization.

61125387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198557.

The product of its digits is 10080, while the sum is 33.

The square root of 61125387 is about 7818.2726353076. The cubic root of 61125387 is about 393.9192526083.

The spelling of 61125387 in words is "sixty-one million, one hundred twenty-five thousand, three hundred eighty-seven".