121129407673 has 8 divisors (see below), whose sum is σ = 122328429120. Its totient is φ = 119931626640.

The previous prime is 121129407661. The next prime is 121129407713. The reversal of 121129407673 is 376704921121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121129407673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121129407643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113218 + ... + 505051.

It is an arithmetic number, because the mean of its divisors is an integer number (15291053640).

Almost surely, 2^121129407673 is an apocalyptic number.

It is an amenable number.

121129407673 is a deficient number, since it is larger than the sum of its proper divisors (1199021447).

121129407673 is a wasteful number, since it uses less digits than its factorization.

121129407673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620207.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 121129407673 in words is "one hundred twenty-one billion, one hundred twenty-nine million, four hundred seven thousand, six hundred seventy-three".