121770392104 has 32 divisors (see below), whose sum is σ = 232655483520. Its totient is φ = 59729207616.

The previous prime is 121770392089. The next prime is 121770392137. The reversal of 121770392104 is 401293077121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5792797 + ... + 5813779.

It is an arithmetic number, because the mean of its divisors is an integer number (7270483860).

Almost surely, 2^121770392104 is an apocalyptic number.

It is an amenable number.

121770392104 is a deficient number, since it is larger than the sum of its proper divisors (110885091416).

121770392104 is a wasteful number, since it uses less digits than its factorization.

121770392104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34729 (or 34725 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 121770392104 in words is "one hundred twenty-one billion, seven hundred seventy million, three hundred ninety-two thousand, one hundred four".