162497121 has 8 divisors (see below), whose sum is σ = 224134080. Its totient is φ = 104595792.

The previous prime is 162497089. The next prime is 162497123. The reversal of 162497121 is 121794261.

It is a happy number.

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

It is not a de Polignac number, because 162497121 - 2⁵ = 162497089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (162497123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 933805 + ... + 933978.

It is an arithmetic number, because the mean of its divisors is an integer number (28016760).

Almost surely, 2^162497121 is an apocalyptic number.

It is an amenable number.

162497121 is a deficient number, since it is larger than the sum of its proper divisors (61636959).

162497121 is a wasteful number, since it uses less digits than its factorization.

162497121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867815.

The product of its digits is 6048, while the sum is 33.

The square root of 162497121 is about 12747.4358598112. The cubic root of 162497121 is about 545.6932188242.

The spelling of 162497121 in words is "one hundred sixty-two million, four hundred ninety-seven thousand, one hundred twenty-one".