1203341261 has 2 divisors, whose sum is σ = 1203341262. Its totient is φ = 1203341260.

The previous prime is 1203341257. The next prime is 1203341273. The reversal of 1203341261 is 1621433021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1041288361 + 162052900 = 32269^2 + 12730^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203341261 - 2² = 1203341257 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1203341561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601670630 + 601670631.

It is an arithmetic number, because the mean of its divisors is an integer number (601670631).

Almost surely, 2^1203341261 is an apocalyptic number.

It is an amenable number.

1203341261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203341261 is an equidigital number, since it uses as much as digits as its factorization.

1203341261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1203341261 is about 34689.2095758897. The cubic root of 1203341261 is about 1063.6439384304.

Adding to 1203341261 its reverse (1621433021), we get a palindrome (2824774282).

The spelling of 1203341261 in words is "one billion, two hundred three million, three hundred forty-one thousand, two hundred sixty-one".