121624332642451 has 2 divisors, whose sum is σ = 121624332642452. Its totient is φ = 121624332642450.

The previous prime is 121624332642413. The next prime is 121624332642487. The reversal of 121624332642451 is 154246233426121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121624332642451 is a prime.

It is a super-3 number, since 3×121624332642451³ (a number of 43 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (121624332612451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60812166321225 + 60812166321226.

It is an arithmetic number, because the mean of its divisors is an integer number (60812166321226).

Almost surely, 2^{121624332642451} is an apocalyptic number.

121624332642451 is a deficient number, since it is larger than the sum of its proper divisors (1).

121624332642451 is an equidigital number, since it uses as much as digits as its factorization.

121624332642451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1658880, while the sum is 46.

The spelling of 121624332642451 in words is "one hundred twenty-one trillion, six hundred twenty-four billion, three hundred thirty-two million, six hundred forty-two thousand, four hundred fifty-one".