1201231003 has 8 divisors (see below), whose sum is σ = 1376579072. Its totient is φ = 1026818856.

The previous prime is 1201230967. The next prime is 1201231013. The reversal of 1201231003 is 3001321021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1201231003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201231013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231225 + ... + 236362.

It is an arithmetic number, because the mean of its divisors is an integer number (172072384).

Almost surely, 2^1201231003 is an apocalyptic number.

1201231003 is a deficient number, since it is larger than the sum of its proper divisors (175348069).

1201231003 is an equidigital number, since it uses as much as digits as its factorization.

1201231003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467961.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1201231003 is about 34658.7795947867. The cubic root of 1201231003 is about 1063.0218160800.

Adding to 1201231003 its reverse (3001321021), we get a palindrome (4202552024).

The spelling of 1201231003 in words is "one billion, two hundred one million, two hundred thirty-one thousand, three".