121024620105 has 16 divisors (see below), whose sum is σ = 193649769600. Its totient is φ = 64543004928.

The previous prime is 121024620091. The next prime is 121024620109. The reversal of 121024620105 is 501026420121.

It is not a de Polignac number, because 121024620105 - 2⁹ = 121024619593 is a prime.

It is a super-2 number, since 2×121024620105² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121024620109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86721 + ... + 499569.

It is an arithmetic number, because the mean of its divisors is an integer number (12103110600).

Almost surely, 2^121024620105 is an apocalyptic number.

121024620105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121024620105 is a deficient number, since it is larger than the sum of its proper divisors (72625149495).

121024620105 is a wasteful number, since it uses less digits than its factorization.

121024620105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432400.

The product of its (nonzero) digits is 960, while the sum is 24.

The spelling of 121024620105 in words is "one hundred twenty-one billion, twenty-four million, six hundred twenty thousand, one hundred five".