15968122 has 8 divisors (see below), whose sum is σ = 23970996. Its totient is φ = 7977792.

The previous prime is 15968107. The next prime is 15968123. The reversal of 15968122 is 22186951.

It can be written as a sum of positive squares in 2 ways, for example, as 13920361 + 2047761 = 3731^2 + 1431^2 .

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

It is not an unprimeable number, because it can be changed into a prime (15968123) 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, 1308 + ... + 5800.

Almost surely, 2^15968122 is an apocalyptic number.

15968122 is a deficient number, since it is larger than the sum of its proper divisors (8002874).

15968122 is a wasteful number, since it uses less digits than its factorization.

15968122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6272.

The product of its digits is 8640, while the sum is 34.

The square root of 15968122 is about 3996.0132632413. The cubic root of 15968122 is about 251.8167497017.

The spelling of 15968122 in words is "fifteen million, nine hundred sixty-eight thousand, one hundred twenty-two".