1532010121 has 2 divisors, whose sum is σ = 1532010122. Its totient is φ = 1532010120.

The previous prime is 1532010101. The next prime is 1532010157. The reversal of 1532010121 is 1210102351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1407375225 + 124634896 = 37515^2 + 11164^2 .

It is an emirp because it is prime and its reverse (1210102351) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1532010121 - 2⁵ = 1532010089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1532010095 and 1532010104.

It is not a weakly prime, because it can be changed into another prime (1532010101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766005060 + 766005061.

It is an arithmetic number, because the mean of its divisors is an integer number (766005061).

Almost surely, 2^1532010121 is an apocalyptic number.

It is an amenable number.

1532010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1532010121 is an equidigital number, since it uses as much as digits as its factorization.

1532010121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1532010121 is about 39140.9008710837. The cubic root of 1532010121 is about 1152.7997619791.

Adding to 1532010121 its reverse (1210102351), we get a palindrome (2742112472).

The spelling of 1532010121 in words is "one billion, five hundred thirty-two million, ten thousand, one hundred twenty-one".