1202432261 has 2 divisors, whose sum is σ = 1202432262. Its totient is φ = 1202432260.

The previous prime is 1202432251. The next prime is 1202432291. The reversal of 1202432261 is 1622342021.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 735440161 + 466992100 = 27119^2 + 21610^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202432261 - 2¹⁸ = 1202170117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202432251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601216130 + 601216131.

It is an arithmetic number, because the mean of its divisors is an integer number (601216131).

Almost surely, 2^1202432261 is an apocalyptic number.

It is an amenable number.

1202432261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202432261 is an equidigital number, since it uses as much as digits as its factorization.

1202432261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1202432261 is about 34676.1050436752. The cubic root of 1202432261 is about 1063.3760465957.

Adding to 1202432261 its reverse (1622342021), we get a palindrome (2824774282).

The spelling of 1202432261 in words is "one billion, two hundred two million, four hundred thirty-two thousand, two hundred sixty-one".