121250230807 has 4 divisors (see below), whose sum is σ = 121261090176. Its totient is φ = 121239371440.

The previous prime is 121250230793. The next prime is 121250230813. The reversal of 121250230807 is 708032052121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 708032052121 = 29 ⋅24414898349.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121250230807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121250230867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5412919 + ... + 5435272.

It is an arithmetic number, because the mean of its divisors is an integer number (30315272544).

Almost surely, 2^121250230807 is an apocalyptic number.

121250230807 is a deficient number, since it is larger than the sum of its proper divisors (10859369).

121250230807 is a wasteful number, since it uses less digits than its factorization.

121250230807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10859368.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 121250230807 its reverse (708032052121), we get a palindrome (829282282928).

The spelling of 121250230807 in words is "one hundred twenty-one billion, two hundred fifty million, two hundred thirty thousand, eight hundred seven".