121244202 has 40 divisors (see below), whose sum is σ = 272341476. Its totient is φ = 40315968.

The previous prime is 121244183. The next prime is 121244209. The reversal of 121244202 is 202442121.

It can be written as a sum of positive squares in 2 ways, for example, as 82791801 + 38452401 = 9099^2 + 6201^2 .

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

It is not an unprimeable number, because it can be changed into a prime (121244209) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 99348 + ... + 100560.

Almost surely, 2^121244202 is an apocalyptic number.

121244202 is an abundant number, since it is smaller than the sum of its proper divisors (151097274).

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

121244202 is a wasteful number, since it uses less digits than its factorization.

121244202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1844 (or 1835 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 121244202 is about 11011.0944960072. The cubic root of 121244202 is about 494.9412602475.

Adding to 121244202 its reverse (202442121), we get a palindrome (323686323).

The spelling of 121244202 in words is "one hundred twenty-one million, two hundred forty-four thousand, two hundred two".