1263200141 has 4 divisors (see below), whose sum is σ = 1443657312. Its totient is φ = 1082742972.

The previous prime is 1263200129. The next prime is 1263200149. The reversal of 1263200141 is 1410023621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1410023621 = 43 ⋅32791247.

It is a cyclic number.

It is not a de Polignac number, because 1263200141 - 2⁶ = 1263200077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1263200149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90228575 + ... + 90228588.

It is an arithmetic number, because the mean of its divisors is an integer number (360914328).

Almost surely, 2^1263200141 is an apocalyptic number.

It is an amenable number.

1263200141 is a deficient number, since it is larger than the sum of its proper divisors (180457171).

1263200141 is an equidigital number, since it uses as much as digits as its factorization.

1263200141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180457170.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1263200141 is about 35541.5269930823. The cubic root of 1263200141 is about 1080.9959208936.

Adding to 1263200141 its reverse (1410023621), we get a palindrome (2673223762).

The spelling of 1263200141 in words is "one billion, two hundred sixty-three million, two hundred thousand, one hundred forty-one".