1032120391 has 2 divisors, whose sum is σ = 1032120392. Its totient is φ = 1032120390.

The previous prime is 1032120367. The next prime is 1032120409. The reversal of 1032120391 is 1930212301.

1032120391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1032120391 - 2⁵ = 1032120359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1032120301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516060195 + 516060196.

It is an arithmetic number, because the mean of its divisors is an integer number (516060196).

Almost surely, 2^1032120391 is an apocalyptic number.

1032120391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032120391 is an equidigital number, since it uses as much as digits as its factorization.

1032120391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1032120391 is about 32126.6305578410. The cubic root of 1032120391 is about 1010.5941643321.

Adding to 1032120391 its reverse (1930212301), we get a palindrome (2962332692).

The spelling of 1032120391 in words is "one billion, thirty-two million, one hundred twenty thousand, three hundred ninety-one".