16125047 has 4 divisors (see below), whose sum is σ = 16826160. Its totient is φ = 15423936.

The previous prime is 16124981. The next prime is 16125049. The reversal of 16125047 is 74052161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74052161 = 4049 ⋅18289.

It is a cyclic number.

It is not a de Polignac number, because 16125047 - 2⁸ = 16124791 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 (16125049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350522 + ... + 350567.

It is an arithmetic number, because the mean of its divisors is an integer number (4206540).

Almost surely, 2^16125047 is an apocalyptic number.

16125047 is a deficient number, since it is larger than the sum of its proper divisors (701113).

16125047 is an equidigital number, since it uses as much as digits as its factorization.

16125047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701112.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 16125047 is about 4015.6004532324. The cubic root of 16125047 is about 252.6389628180.

The spelling of 16125047 in words is "sixteen million, one hundred twenty-five thousand, forty-seven".