121794755 has 4 divisors (see below), whose sum is σ = 146153712. Its totient is φ = 97435800.

The previous prime is 121794737. The next prime is 121794767. The reversal of 121794755 is 557497121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 557497121 = 97 ⋅5747393.

It is not a de Polignac number, because 121794755 - 2¹⁸ = 121532611 is a prime.

It is a Duffinian number.

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, 12179471 + ... + 12179480.

It is an arithmetic number, because the mean of its divisors is an integer number (36538428).

Almost surely, 2^121794755 is an apocalyptic number.

121794755 is a deficient number, since it is larger than the sum of its proper divisors (24358957).

121794755 is an equidigital number, since it uses as much as digits as its factorization.

121794755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24358956.

The product of its digits is 88200, while the sum is 41.

The square root of 121794755 is about 11036.0661016505. The cubic root of 121794755 is about 495.6892822286.

The spelling of 121794755 in words is "one hundred twenty-one million, seven hundred ninety-four thousand, seven hundred fifty-five".