1231741603 has 2 divisors, whose sum is σ = 1231741604. Its totient is φ = 1231741602.

The previous prime is 1231741597. The next prime is 1231741607. The reversal of 1231741603 is 3061471321.

It is a strong prime.

It is an emirp because it is prime and its reverse (3061471321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1231741603 - 2¹⁷ = 1231610531 is a prime.

It is a super-2 number, since 2×1231741603² = 3034374753122019218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1231741607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615870801 + 615870802.

It is an arithmetic number, because the mean of its divisors is an integer number (615870802).

Almost surely, 2^1231741603 is an apocalyptic number.

1231741603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231741603 is an equidigital number, since it uses as much as digits as its factorization.

1231741603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 1231741603 is about 35096.1764726587. The cubic root of 1231741603 is about 1071.9467291208.

The spelling of 1231741603 in words is "one billion, two hundred thirty-one million, seven hundred forty-one thousand, six hundred three".