1032121157 has 2 divisors, whose sum is σ = 1032121158. Its totient is φ = 1032121156.

The previous prime is 1032121141. The next prime is 1032121169. The reversal of 1032121157 is 7511212301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1008316516 + 23804641 = 31754^2 + 4879^2 .

It is a cyclic number.

It is not a de Polignac number, because 1032121157 - 2⁴ = 1032121141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1032121127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516060578 + 516060579.

It is an arithmetic number, because the mean of its divisors is an integer number (516060579).

Almost surely, 2^1032121157 is an apocalyptic number.

It is an amenable number.

1032121157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032121157 is an equidigital number, since it uses as much as digits as its factorization.

1032121157 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 23.

The square root of 1032121157 is about 32126.6424794126. The cubic root of 1032121157 is about 1010.5944143401.

Adding to 1032121157 its reverse (7511212301), we get a palindrome (8543333458).

The spelling of 1032121157 in words is "one billion, thirty-two million, one hundred twenty-one thousand, one hundred fifty-seven".