121748693 has 8 divisors (see below), whose sum is σ = 132899616. Its totient is φ = 110611600.

The previous prime is 121748657. The next prime is 121748701. The reversal of 121748693 is 396847121.

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

It is not a de Polignac number, because 121748693 - 2⁶ = 121748629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121748693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121748603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25655 + ... + 30027.

It is an arithmetic number, because the mean of its divisors is an integer number (16612452).

Almost surely, 2^121748693 is an apocalyptic number.

It is an amenable number.

121748693 is a deficient number, since it is larger than the sum of its proper divisors (11150923).

121748693 is a wasteful number, since it uses less digits than its factorization.

121748693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6915.

The product of its digits is 72576, while the sum is 41.

The square root of 121748693 is about 11033.9790193747. The cubic root of 121748693 is about 495.6267855070.

The spelling of 121748693 in words is "one hundred twenty-one million, seven hundred forty-eight thousand, six hundred ninety-three".