121500162 has 80 divisors (see below), whose sum is σ = 313051200. Its totient is φ = 34502112.

The previous prime is 121500157. The next prime is 121500167. The reversal of 121500162 is 261005121.

121500162 is a `hidden beast` number, since 1 + 2 + 1 + 500 + 162 = 666.

It is an interprime number because it is at equal distance from previous prime (121500157) and next prime (121500167).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121500167) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 347964 + ... + 348312.

It is an arithmetic number, because the mean of its divisors is an integer number (3913140).

Almost surely, 2^121500162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121500162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156525600).

121500162 is an abundant number, since it is smaller than the sum of its proper divisors (191551038).

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

121500162 is a wasteful number, since it uses less digits than its factorization.

121500162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 121500162 is about 11022.7111909911. The cubic root of 121500162 is about 495.2893074626.

Adding to 121500162 its reverse (261005121), we get a palindrome (382505283).

It can be divided in two parts, 121500 and 162, that multiplied together give a cube (19683000 = 270³).

The spelling of 121500162 in words is "one hundred twenty-one million, five hundred thousand, one hundred sixty-two".