121736094650 has 12 divisors (see below), whose sum is σ = 226429136142. Its totient is φ = 48694437840.

The previous prime is 121736094647. The next prime is 121736094653. The reversal of 121736094650 is 56490637121.

It is a Cunningham number, because it is equal to 348907²+1.

It is an interprime number because it is at equal distance from previous prime (121736094647) and next prime (121736094653).

It can be written as a sum of positive squares in 3 ways, for example, as 112192172401 + 9543922249 = 334951^2 + 97693^2 .

It is not an unprimeable number, because it can be changed into a prime (121736094653) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1217360897 + ... + 1217360996.

Almost surely, 2^121736094650 is an apocalyptic number.

121736094650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121736094650 is a deficient number, since it is larger than the sum of its proper divisors (104693041492).

121736094650 is a wasteful number, since it uses less digits than its factorization.

121736094650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434721905 (or 2434721900 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 121736094650 in words is "one hundred twenty-one billion, seven hundred thirty-six million, ninety-four thousand, six hundred fifty".