121322000 has 40 divisors (see below), whose sum is σ = 293361432. Its totient is φ = 48528000.

The previous prime is 121321999. The next prime is 121322021. The reversal of 121322000 is 223121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 18421264 + 102900736 = 4292^2 + 10144^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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, 28331 + ... + 32330.

Almost surely, 2^121322000 is an apocalyptic number.

121322000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121322000 is an abundant number, since it is smaller than the sum of its proper divisors (172039432).

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

121322000 is an equidigital number, since it uses as much as digits as its factorization.

121322000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60684 (or 60668 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 121322000 is about 11014.6266391558. The cubic root of 121322000 is about 495.0470995553.

Adding to 121322000 its reverse (223121), we get a palindrome (121545121).

The spelling of 121322000 in words is "one hundred twenty-one million, three hundred twenty-two thousand".