121498146 has 96 divisors (see below), whose sum is σ = 335088000. Its totient is φ = 31540320.

The previous prime is 121498127. The next prime is 121498171. The reversal of 121498146 is 641894121.

121498146 is a `hidden beast` number, since 1 + 21 + 498 + 146 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 121498146.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67020 + ... + 68808.

It is an arithmetic number, because the mean of its divisors is an integer number (3490500).

Almost surely, 2^121498146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121498146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167544000).

121498146 is an abundant number, since it is smaller than the sum of its proper divisors (213589854).

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

121498146 is a wasteful number, since it uses less digits than its factorization.

121498146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1812 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 121498146 is about 11022.6197430556. The cubic root of 121498146 is about 495.2865680732.

The spelling of 121498146 in words is "one hundred twenty-one million, four hundred ninety-eight thousand, one hundred forty-six".