121632073 has 8 divisors (see below), whose sum is σ = 127142208. Its totient is φ = 116140464.

The previous prime is 121632041. The next prime is 121632097. The reversal of 121632073 is 370236121.

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 121632073 - 2⁵ = 121632041 is a prime.

It is a super-3 number, since 3×121632073³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121632013) 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, 9786 + ... + 18412.

It is an arithmetic number, because the mean of its divisors is an integer number (15892776).

Almost surely, 2^121632073 is an apocalyptic number.

It is an amenable number.

121632073 is a deficient number, since it is larger than the sum of its proper divisors (5510135).

121632073 is an equidigital number, since it uses as much as digits as its factorization.

121632073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9263.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 121632073 is about 11028.6931682770. The cubic root of 121632073 is about 495.4684854897.

Adding to 121632073 its reverse (370236121), we get a palindrome (491868194).

The spelling of 121632073 in words is "one hundred twenty-one million, six hundred thirty-two thousand, seventy-three".