121202000 has 40 divisors (see below), whose sum is σ = 293071272. Its totient is φ = 48480000.

The previous prime is 121201981. The next prime is 121202017. The reversal of 121202000 is 202121.

It can be written as a sum of positive squares in 4 ways, for example, as 817216 + 120384784 = 904^2 + 10972^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

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, 28301 + ... + 32300.

Almost surely, 2^121202000 is an apocalyptic number.

121202000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121202000 is an abundant number, since it is smaller than the sum of its proper divisors (171869272).

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

121202000 is an equidigital number, since it uses as much as digits as its factorization.

121202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60624 (or 60608 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 121202000 is about 11009.1779892960. The cubic root of 121202000 is about 494.8838281266.

Adding to 121202000 its reverse (202121), we get a palindrome (121404121).

The spelling of 121202000 in words is "one hundred twenty-one million, two hundred two thousand".