121097000 has 64 divisors (see below), whose sum is σ = 286977600. Its totient is φ = 47822400.

The previous prime is 121096993. The next prime is 121097027. The reversal of 121097000 is 790121.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82271 + ... + 83729.

It is an arithmetic number, because the mean of its divisors is an integer number (4484025).

Almost surely, 2^121097000 is an apocalyptic number.

121097000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121097000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143488800).

121097000 is an abundant number, since it is smaller than the sum of its proper divisors (165880600).

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

121097000 is a wasteful number, since it uses less digits than its factorization.

121097000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 121097000 is about 11004.4082076230. The cubic root of 121097000 is about 494.7408771998.

The spelling of 121097000 in words is "one hundred twenty-one million, ninety-seven thousand".