16121301 has 8 divisors (see below), whose sum is σ = 24565824. Its totient is φ = 9212160.

The previous prime is 16121279. The next prime is 16121309. The reversal of 16121301 is 10312161.

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

It is not a de Polignac number, because 16121301 - 2⁵ = 16121269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16121309) 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, 383820 + ... + 383861.

It is an arithmetic number, because the mean of its divisors is an integer number (3070728).

Almost surely, 2^16121301 is an apocalyptic number.

It is an amenable number.

16121301 is a deficient number, since it is larger than the sum of its proper divisors (8444523).

16121301 is an equidigital number, since it uses as much as digits as its factorization.

16121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 767691.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 16121301 is about 4015.1339952734. The cubic root of 16121301 is about 252.6193978342.

Adding to 16121301 its reverse (10312161), we get a palindrome (26433462).

The spelling of 16121301 in words is "sixteen million, one hundred twenty-one thousand, three hundred one".