121867468741 has 2 divisors, whose sum is σ = 121867468742. Its totient is φ = 121867468740.

The previous prime is 121867468711. The next prime is 121867468781. The reversal of 121867468741 is 147864768121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121275276516 + 592192225 = 348246^2 + 24335^2 .

It is a cyclic number.

It is not a de Polignac number, because 121867468741 - 2²⁵ = 121833914309 is a prime.

It is a super-2 number, since 2×121867468741² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121867468711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60933734370 + 60933734371.

It is an arithmetic number, because the mean of its divisors is an integer number (60933734371).

Almost surely, 2^121867468741 is an apocalyptic number.

It is an amenable number.

121867468741 is a deficient number, since it is larger than the sum of its proper divisors (1).

121867468741 is an equidigital number, since it uses as much as digits as its factorization.

121867468741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3612672, while the sum is 55.

The spelling of 121867468741 in words is "one hundred twenty-one billion, eight hundred sixty-seven million, four hundred sixty-eight thousand, seven hundred forty-one".