121087614469 has 2 divisors, whose sum is σ = 121087614470. Its totient is φ = 121087614468.

The previous prime is 121087614451. The next prime is 121087614499. The reversal of 121087614469 is 964416780121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116920911969 + 4166702500 = 341937^2 + 64550^2 .

It is an emirp because it is prime and its reverse (964416780121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121087614469 - 2⁷ = 121087614341 is a prime.

It is a super-2 number, since 2×121087614469² (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 (121087614499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60543807234 + 60543807235.

It is an arithmetic number, because the mean of its divisors is an integer number (60543807235).

Almost surely, 2^121087614469 is an apocalyptic number.

It is an amenable number.

121087614469 is a deficient number, since it is larger than the sum of its proper divisors (1).

121087614469 is an equidigital number, since it uses as much as digits as its factorization.

121087614469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 121087614469 in words is "one hundred twenty-one billion, eighty-seven million, six hundred fourteen thousand, four hundred sixty-nine".