121243627 has 2 divisors, whose sum is σ = 121243628. Its totient is φ = 121243626.

The previous prime is 121243621. The next prime is 121243657. The reversal of 121243627 is 726342121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121243627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121243595 and 121243604.

It is not a weakly prime, because it can be changed into another prime (121243621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60621813 + 60621814.

It is an arithmetic number, because the mean of its divisors is an integer number (60621814).

Almost surely, 2^121243627 is an apocalyptic number.

121243627 is a deficient number, since it is larger than the sum of its proper divisors (1).

121243627 is an equidigital number, since it uses as much as digits as its factorization.

121243627 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 28.

The square root of 121243627 is about 11011.0683859469. The cubic root of 121243627 is about 494.9404778275.

Adding to 121243627 its reverse (726342121), we get a palindrome (847585748).

It can be divided in two parts, 12124 and 3627, that added together give a palindrome (15751).

The spelling of 121243627 in words is "one hundred twenty-one million, two hundred forty-three thousand, six hundred twenty-seven".