121000182427 has 2 divisors, whose sum is σ = 121000182428. Its totient is φ = 121000182426.

The previous prime is 121000182419. The next prime is 121000182451. The reversal of 121000182427 is 724281000121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121000182427 - 2³ = 121000182419 is a prime.

It is a super-2 number, since 2×121000182427² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121000182395 and 121000182404.

It is not a weakly prime, because it can be changed into another prime (121000182487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500091213 + 60500091214.

It is an arithmetic number, because the mean of its divisors is an integer number (60500091214).

Almost surely, 2^121000182427 is an apocalyptic number.

121000182427 is a deficient number, since it is larger than the sum of its proper divisors (1).

121000182427 is an equidigital number, since it uses as much as digits as its factorization.

121000182427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 28.

Adding to 121000182427 its reverse (724281000121), we get a palindrome (845281182548).

The spelling of 121000182427 in words is "one hundred twenty-one billion, one hundred eighty-two thousand, four hundred twenty-seven".