121632733 has 2 divisors, whose sum is σ = 121632734. Its totient is φ = 121632732.

The previous prime is 121632713. The next prime is 121632743. The reversal of 121632733 is 337236121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105616729 + 16016004 = 10277^2 + 4002^2 .

It is a cyclic number.

It is not a de Polignac number, because 121632733 - 2⁵ = 121632701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121632713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60816366 + 60816367.

It is an arithmetic number, because the mean of its divisors is an integer number (60816367).

Almost surely, 2^121632733 is an apocalyptic number.

It is an amenable number.

121632733 is a deficient number, since it is larger than the sum of its proper divisors (1).

121632733 is an equidigital number, since it uses as much as digits as its factorization.

121632733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 28.

The square root of 121632733 is about 11028.7230901859. The cubic root of 121632733 is about 495.4693816586.

Adding to 121632733 its reverse (337236121), we get a palindrome (458868854).

The spelling of 121632733 in words is "one hundred twenty-one million, six hundred thirty-two thousand, seven hundred thirty-three".