121504105700 has 36 divisors (see below), whose sum is σ = 264419469300. Its totient is φ = 48462368640.

The previous prime is 121504105691. The next prime is 121504105739. The reversal of 121504105700 is 7501405121.

It can be written as a sum of positive squares in 6 ways, for example, as 11358443776 + 110145661924 = 106576^2 + 331882^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121504105700.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1705847 + ... + 1775646.

Almost surely, 2^121504105700 is an apocalyptic number.

121504105700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121504105700 is an abundant number, since it is smaller than the sum of its proper divisors (142915363600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121504105700 is a wasteful number, since it uses less digits than its factorization.

121504105700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3481856 (or 3481849 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The spelling of 121504105700 in words is "one hundred twenty-one billion, five hundred four million, one hundred five thousand, seven hundred".