162121327 has 4 divisors (see below), whose sum is σ = 164074680. Its totient is φ = 160167976.

The previous prime is 162121313. The next prime is 162121331. The reversal of 162121327 is 723121261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162121327 - 2⁷ = 162121199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162127327) 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, 976552 + ... + 976717.

It is an arithmetic number, because the mean of its divisors is an integer number (41018670).

Almost surely, 2^162121327 is an apocalyptic number.

162121327 is a deficient number, since it is larger than the sum of its proper divisors (1953353).

162121327 is an equidigital number, since it uses as much as digits as its factorization.

162121327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953352.

The product of its digits is 1008, while the sum is 25.

The square root of 162121327 is about 12732.6873439977. The cubic root of 162121327 is about 545.2722338836.

Adding to 162121327 its reverse (723121261), we get a palindrome (885242588).

The spelling of 162121327 in words is "one hundred sixty-two million, one hundred twenty-one thousand, three hundred twenty-seven".