121887454070 has 32 divisors (see below), whose sum is σ = 220309026336. Its totient is φ = 48552595200.

The previous prime is 121887454061. The next prime is 121887454093. The reversal of 121887454070 is 70454788121.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5559530 + ... + 5581410.

It is an arithmetic number, because the mean of its divisors is an integer number (6884657073).

Almost surely, 2^121887454070 is an apocalyptic number.

121887454070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121887454070 is a deficient number, since it is larger than the sum of its proper divisors (98421572266).

121887454070 is a wasteful number, since it uses less digits than its factorization.

121887454070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24176.

The product of its (nonzero) digits is 501760, while the sum is 47.

The spelling of 121887454070 in words is "one hundred twenty-one billion, eight hundred eighty-seven million, four hundred fifty-four thousand, seventy".