121650363 has 8 divisors (see below), whose sum is σ = 180222800. Its totient is φ = 81100224.

The previous prime is 121650349. The next prime is 121650371. The reversal of 121650363 is 363056121.

121650363 is a `hidden beast` number, since 1 + 2 + 1 + 650 + 3 + 6 + 3 = 666.

It is not a de Polignac number, because 121650363 - 2⁶ = 121650299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4505569 = 121650363 / (1 + 2 + 1 + 6 + 5 + 0 + 3 + 6 + 3).

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121650343) 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, 2252758 + ... + 2252811.

It is an arithmetic number, because the mean of its divisors is an integer number (22527850).

Almost surely, 2^121650363 is an apocalyptic number.

121650363 is a deficient number, since it is larger than the sum of its proper divisors (58572437).

121650363 is an equidigital number, since it uses as much as digits as its factorization.

121650363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4505578 (or 4505572 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 121650363 is about 11029.5223377987. The cubic root of 121650363 is about 495.4933190285.

The spelling of 121650363 in words is "one hundred twenty-one million, six hundred fifty thousand, three hundred sixty-three".