1120247403 has 24 divisors (see below), whose sum is σ = 1694773248. Its totient is φ = 657030000.

The previous prime is 1120247399. The next prime is 1120247423. The reversal of 1120247403 is 3047420211.

It is a happy number.

It is not a de Polignac number, because 1120247403 - 2² = 1120247399 is a prime.

It is a super-3 number, since 3×1120247403³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1120247423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38523 + ... + 61028.

It is an arithmetic number, because the mean of its divisors is an integer number (70615552).

Almost surely, 2^1120247403 is an apocalyptic number.

1120247403 is a deficient number, since it is larger than the sum of its proper divisors (574525845).

1120247403 is a wasteful number, since it uses less digits than its factorization.

1120247403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99607 (or 99596 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 1120247403 is about 33470.0971465576. The cubic root of 1120247403 is about 1038.5752813250.

Adding to 1120247403 its reverse (3047420211), we get a palindrome (4167667614).

The spelling of 1120247403 in words is "one billion, one hundred twenty million, two hundred forty-seven thousand, four hundred three".