121023827 has 2 divisors, whose sum is σ = 121023828. Its totient is φ = 121023826.

The previous prime is 121023821. The next prime is 121023871. The reversal of 121023827 is 728320121.

It is a weak prime.

It is an emirp because it is prime and its reverse (728320121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121023827 - 2²² = 116829523 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 121023796 and 121023805.

It is not a weakly prime, because it can be changed into another prime (121023821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511913 + 60511914.

It is an arithmetic number, because the mean of its divisors is an integer number (60511914).

Almost surely, 2^121023827 is an apocalyptic number.

121023827 is a deficient number, since it is larger than the sum of its proper divisors (1).

121023827 is an equidigital number, since it uses as much as digits as its factorization.

121023827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 121023827 is about 11001.0829921422. The cubic root of 121023827 is about 494.6412078760.

Adding to 121023827 its reverse (728320121), we get a palindrome (849343948).

The spelling of 121023827 in words is "one hundred twenty-one million, twenty-three thousand, eight hundred twenty-seven".