16120047 has 8 divisors (see below), whose sum is σ = 21527856. Its totient is φ = 10729472.

The previous prime is 16119989. The next prime is 16120051. The reversal of 16120047 is 74002161.

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

It is a cyclic number.

It is not a de Polignac number, because 16120047 - 2¹² = 16115951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16120057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938 + ... + 5999.

It is an arithmetic number, because the mean of its divisors is an integer number (2690982).

Almost surely, 2^16120047 is an apocalyptic number.

16120047 is a deficient number, since it is larger than the sum of its proper divisors (5407809).

16120047 is an equidigital number, since it uses as much as digits as its factorization.

16120047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 16120047 is about 4014.9778330646. The cubic root of 16120047 is about 252.6128476404.

The spelling of 16120047 in words is "sixteen million, one hundred twenty thousand, forty-seven".