121401400063 has 2 divisors, whose sum is σ = 121401400064. Its totient is φ = 121401400062.

The previous prime is 121401399967. The next prime is 121401400069. The reversal of 121401400063 is 360004104121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121401400063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121401400069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60700700031 + 60700700032.

It is an arithmetic number, because the mean of its divisors is an integer number (60700700032).

Almost surely, 2^121401400063 is an apocalyptic number.

121401400063 is a deficient number, since it is larger than the sum of its proper divisors (1).

121401400063 is an equidigital number, since it uses as much as digits as its factorization.

121401400063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 121401400063 its reverse (360004104121), we get a palindrome (481405504184).

The spelling of 121401400063 in words is "one hundred twenty-one billion, four hundred one million, four hundred thousand, sixty-three".