121825973 has 4 divisors (see below), whose sum is σ = 123890880. Its totient is φ = 119761068.

The previous prime is 121825969. The next prime is 121825993. The reversal of 121825973 is 379528121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121825973 - 2² = 121825969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121825943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032365 + ... + 1032482.

It is an arithmetic number, because the mean of its divisors is an integer number (30972720).

Almost surely, 2^121825973 is an apocalyptic number.

It is an amenable number.

121825973 is a deficient number, since it is larger than the sum of its proper divisors (2064907).

121825973 is an equidigital number, since it uses as much as digits as its factorization.

121825973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064906.

The product of its digits is 30240, while the sum is 38.

The square root of 121825973 is about 11037.4803737085. The cubic root of 121825973 is about 495.7316297174.

The spelling of 121825973 in words is "one hundred twenty-one million, eight hundred twenty-five thousand, nine hundred seventy-three".