121650365 has 8 divisors (see below), whose sum is σ = 146331360. Its totient is φ = 97086352.

The previous prime is 121650349. The next prime is 121650371. The reversal of 121650365 is 563056121.

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 121650365 - 2⁴ = 121650349 is a prime.

It is a super-2 number, since 2×121650365² = 29597622609266450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26939 + ... + 31128.

It is an arithmetic number, because the mean of its divisors is an integer number (18291420).

Almost surely, 2^121650365 is an apocalyptic number.

It is an amenable number.

121650365 is a deficient number, since it is larger than the sum of its proper divisors (24680995).

121650365 is an equidigital number, since it uses as much as digits as its factorization.

121650365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58491.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 121650365 is about 11029.5224284644. The cubic root of 121650365 is about 495.4933217439.

The spelling of 121650365 in words is "one hundred twenty-one million, six hundred fifty thousand, three hundred sixty-five".