121131733 has 2 divisors, whose sum is σ = 121131734. Its totient is φ = 121131732.

The previous prime is 121131719. The next prime is 121131743. The reversal of 121131733 is 337131121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120165444 + 966289 = 10962^2 + 983^2 .

It is an emirp because it is prime and its reverse (337131121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121131733 - 2⁹ = 121131221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121131713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60565866 + 60565867.

It is an arithmetic number, because the mean of its divisors is an integer number (60565867).

Almost surely, 2^121131733 is an apocalyptic number.

It is an amenable number.

121131733 is a deficient number, since it is larger than the sum of its proper divisors (1).

121131733 is an equidigital number, since it uses as much as digits as its factorization.

121131733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 378, while the sum is 22.

The square root of 121131733 is about 11005.9862347724. The cubic root of 121131733 is about 494.7881731478.

Adding to 121131733 its reverse (337131121), we get a palindrome (458262854).

The spelling of 121131733 in words is "one hundred twenty-one million, one hundred thirty-one thousand, seven hundred thirty-three".