121254161704 has 16 divisors (see below), whose sum is σ = 244840134420. Its totient is φ = 55963459200.

The previous prime is 121254161689. The next prime is 121254161729. The reversal of 121254161704 is 407161452121.

It can be written as a sum of positive squares in 2 ways, for example, as 112191502500 + 9062659204 = 334950^2 + 95198^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121254161704.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582952597 + ... + 582952804.

Almost surely, 2^121254161704 is an apocalyptic number.

It is an amenable number.

121254161704 is an abundant number, since it is smaller than the sum of its proper divisors (123585972716).

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

121254161704 is a wasteful number, since it uses less digits than its factorization.

121254161704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165905420 (or 1165905416 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 121254161704 in words is "one hundred twenty-one billion, two hundred fifty-four million, one hundred sixty-one thousand, seven hundred four".