121420333124 has 6 divisors (see below), whose sum is σ = 212485582974. Its totient is φ = 60710166560.

The previous prime is 121420333123. The next prime is 121420333141. The reversal of 121420333124 is 421333024121.

It can be written as a sum of positive squares in only one way, i.e., 98219560000 + 23200773124 = 313400^2 + 152318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 121420333093 and 121420333102.

It is not an unprimeable number, because it can be changed into a prime (121420333123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15177541637 + ... + 15177541644.

It is an arithmetic number, because the mean of its divisors is an integer number (35414263829).

Almost surely, 2^121420333124 is an apocalyptic number.

It is an amenable number.

121420333124 is a deficient number, since it is larger than the sum of its proper divisors (91065249850).

121420333124 is a wasteful number, since it uses less digits than its factorization.

121420333124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30355083285 (or 30355083283 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121420333124 its reverse (421333024121), we get a palindrome (542753357245).

The spelling of 121420333124 in words is "one hundred twenty-one billion, four hundred twenty million, three hundred thirty-three thousand, one hundred twenty-four".