121463253405 has 32 divisors (see below), whose sum is σ = 232545035520. Its totient is φ = 59797293120.

The previous prime is 121463253397. The next prime is 121463253419. The reversal of 121463253405 is 504352364121.

121463253405 is a `hidden beast` number, since 1 + 2 + 14 + 632 + 5 + 3 + 4 + 0 + 5 = 666.

It is not a de Polignac number, because 121463253405 - 2³ = 121463253397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121463253405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34603161 + ... + 34606670.

It is an arithmetic number, because the mean of its divisors is an integer number (7267032360).

Almost surely, 2^121463253405 is an apocalyptic number.

121463253405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121463253405 is a deficient number, since it is larger than the sum of its proper divisors (111081782115).

121463253405 is a wasteful number, since it uses less digits than its factorization.

121463253405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69209858 (or 69209852 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 121463253405 in words is "one hundred twenty-one billion, four hundred sixty-three million, two hundred fifty-three thousand, four hundred five".