121163004 has 72 divisors (see below), whose sum is σ = 318689280. Its totient is φ = 38772000.

The previous prime is 121162999. The next prime is 121163027. The reversal of 121163004 is 400361121.

It is a happy number.

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

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 168157 + ... + 168875.

It is an arithmetic number, because the mean of its divisors is an integer number (4426240).

Almost surely, 2^121163004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121163004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159344640).

121163004 is an abundant number, since it is smaller than the sum of its proper divisors (197526276).

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

121163004 is a wasteful number, since it uses less digits than its factorization.

121163004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 121163004 is about 11007.4067790738. The cubic root of 121163004 is about 494.8307471547.

The spelling of 121163004 in words is "one hundred twenty-one million, one hundred sixty-three thousand, four".