16121292 has 24 divisors (see below), whose sum is σ = 41036352. Its totient is φ = 4885200.

The previous prime is 16121279. The next prime is 16121309. The reversal of 16121292 is 29212161.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 60934 + ... + 61197.

It is an arithmetic number, because the mean of its divisors is an integer number (1709848).

Almost surely, 2^16121292 is an apocalyptic number.

16121292 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16121292 is an abundant number, since it is smaller than the sum of its proper divisors (24915060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16121292 is a wasteful number, since it uses less digits than its factorization.

16121292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122149 (or 122147 counting only the distinct ones).

The product of its digits is 432, while the sum is 24.

The square root of 16121292 is about 4015.1328745136. The cubic root of 16121292 is about 252.6193508244.

The spelling of 16121292 in words is "sixteen million, one hundred twenty-one thousand, two hundred ninety-two".