1201241403 has 24 divisors (see below), whose sum is σ = 1863085536. Its totient is φ = 743097600.

The previous prime is 1201241399. The next prime is 1201241429. The reversal of 1201241403 is 3041421021.

1201241403 is a `hidden beast` number, since 1 + 20 + 1 + 241 + 403 = 666.

It is not a de Polignac number, because 1201241403 - 2² = 1201241399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201241443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44428 + ... + 66153.

It is an arithmetic number, because the mean of its divisors is an integer number (77628564).

Almost surely, 2^1201241403 is an apocalyptic number.

1201241403 is a deficient number, since it is larger than the sum of its proper divisors (661844133).

1201241403 is a wasteful number, since it uses less digits than its factorization.

1201241403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110675 (or 110672 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1201241403 is about 34658.9296285964. The cubic root of 1201241403 is about 1063.0248838760.

Adding to 1201241403 its reverse (3041421021), we get a palindrome (4242662424).

The spelling of 1201241403 in words is "one billion, two hundred one million, two hundred forty-one thousand, four hundred three".