16121942 has 16 divisors (see below), whose sum is σ = 25615872. Its totient is φ = 7593960.

The previous prime is 16121921. The next prime is 16121971. The reversal of 16121942 is 24912161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467 + ... + 5697.

It is an arithmetic number, because the mean of its divisors is an integer number (1600992).

Almost surely, 2^16121942 is an apocalyptic number.

16121942 is a deficient number, since it is larger than the sum of its proper divisors (9493930).

16121942 is a wasteful number, since it uses less digits than its factorization.

16121942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323.

The product of its digits is 864, while the sum is 26.

The square root of 16121942 is about 4015.2138174697. The cubic root of 16121942 is about 252.6227459281.

The spelling of 16121942 in words is "sixteen million, one hundred twenty-one thousand, nine hundred forty-two".