121948567 has 8 divisors (see below), whose sum is σ = 135858240. Its totient is φ = 108685920.

The previous prime is 121948549. The next prime is 121948579. The reversal of 121948567 is 765849121.

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

It is a cyclic number.

It is not a de Polignac number, because 121948567 - 2¹¹ = 121946519 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 (121948537) 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, 161359 + ... + 162112.

It is an arithmetic number, because the mean of its divisors is an integer number (16982280).

Almost surely, 2^121948567 is an apocalyptic number.

121948567 is a deficient number, since it is larger than the sum of its proper divisors (13909673).

121948567 is a wasteful number, since it uses less digits than its factorization.

121948567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323513.

The product of its digits is 120960, while the sum is 43.

The square root of 121948567 is about 11043.0325092340. The cubic root of 121948567 is about 495.8978595935.

The spelling of 121948567 in words is "one hundred twenty-one million, nine hundred forty-eight thousand, five hundred sixty-seven".