1202432291 has 2 divisors, whose sum is σ = 1202432292. Its totient is φ = 1202432290.

The previous prime is 1202432261. The next prime is 1202432299. The reversal of 1202432291 is 1922342021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1202432291 - 2³⁰ = 128690467 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1202432291.

It is not a weakly prime, because it can be changed into another prime (1202432299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601216145 + 601216146.

It is an arithmetic number, because the mean of its divisors is an integer number (601216146).

Almost surely, 2^1202432291 is an apocalyptic number.

1202432291 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202432291 is an equidigital number, since it uses as much as digits as its factorization.

1202432291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1202432291 is about 34676.1054762498. The cubic root of 1202432291 is about 1063.3760554392.

The spelling of 1202432291 in words is "one billion, two hundred two million, four hundred thirty-two thousand, two hundred ninety-one".