121667125 has 32 divisors (see below), whose sum is σ = 160392960. Its totient is φ = 91960000.

The previous prime is 121667111. The next prime is 121667153. The reversal of 121667125 is 521766121.

It is not a de Polignac number, because 121667125 - 2⁷ = 121666997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290166 + ... + 290584.

It is an arithmetic number, because the mean of its divisors is an integer number (5012280).

Almost surely, 2^121667125 is an apocalyptic number.

It is an amenable number.

121667125 is a deficient number, since it is larger than the sum of its proper divisors (38725835).

121667125 is a wasteful number, since it uses less digits than its factorization.

121667125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 548 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 121667125 is about 11030.2821813406. The cubic root of 121667125 is about 495.5160757152.

It can be divided in two parts, 12166 and 7125, that added together give a palindrome (19291).

The spelling of 121667125 in words is "one hundred twenty-one million, six hundred sixty-seven thousand, one hundred twenty-five".