121532071 has 2 divisors, whose sum is σ = 121532072. Its totient is φ = 121532070.

The previous prime is 121532053. The next prime is 121532119. The reversal of 121532071 is 170235121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121532071 - 2⁵ = 121532039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121532041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60766035 + 60766036.

It is an arithmetic number, because the mean of its divisors is an integer number (60766036).

Almost surely, 2^121532071 is an apocalyptic number.

121532071 is a deficient number, since it is larger than the sum of its proper divisors (1).

121532071 is an equidigital number, since it uses as much as digits as its factorization.

121532071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 121532071 is about 11024.1585166397. The cubic root of 121532071 is about 495.3326621460.

Adding to 121532071 its reverse (170235121), we get a palindrome (291767192).

The spelling of 121532071 in words is "one hundred twenty-one million, five hundred thirty-two thousand, seventy-one".