1203145241 has 4 divisors (see below), whose sum is σ = 1203234432. Its totient is φ = 1203056052.

The previous prime is 1203145211. The next prime is 1203145261. The reversal of 1203145241 is 1425413021.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1425413021 = 26597 ⋅53593.

It is a cyclic number.

It is not a de Polignac number, because 1203145241 - 2²² = 1198950937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203145201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19745 + ... + 52878.

It is an arithmetic number, because the mean of its divisors is an integer number (300808608).

Almost surely, 2^1203145241 is an apocalyptic number.

It is an amenable number.

1203145241 is a deficient number, since it is larger than the sum of its proper divisors (89191).

1203145241 is an equidigital number, since it uses as much as digits as its factorization.

1203145241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89190.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1203145241 is about 34686.3840865548. The cubic root of 1203145241 is about 1063.5861806927.

Adding to 1203145241 its reverse (1425413021), we get a palindrome (2628558262).

The spelling of 1203145241 in words is "one billion, two hundred three million, one hundred forty-five thousand, two hundred forty-one".