121362136 has 32 divisors (see below), whose sum is σ = 261319680. Its totient is φ = 51760800.

The previous prime is 121362121. The next prime is 121362149. The reversal of 121362136 is 631263121.

It is a self number, because there is not a number n which added to its sum of digits gives 121362136.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6681 + ... + 16951.

It is an arithmetic number, because the mean of its divisors is an integer number (8166240).

Almost surely, 2^121362136 is an apocalyptic number.

It is an amenable number.

121362136 is an abundant number, since it is smaller than the sum of its proper divisors (139957544).

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

121362136 is a wasteful number, since it uses less digits than its factorization.

121362136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10495 (or 10491 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 121362136 is about 11016.4484295076. The cubic root of 121362136 is about 495.1016843784.

The spelling of 121362136 in words is "one hundred twenty-one million, three hundred sixty-two thousand, one hundred thirty-six".