1120401403 has 32 divisors (see below), whose sum is σ = 1286707968. Its totient is φ = 966556800.

The previous prime is 1120401379. The next prime is 1120401407. The reversal of 1120401403 is 3041040211.

It is not a de Polignac number, because 1120401403 - 2¹⁷ = 1120270331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1120401407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4935576 + ... + 4935802.

It is an arithmetic number, because the mean of its divisors is an integer number (40209624).

Almost surely, 2^1120401403 is an apocalyptic number.

1120401403 is a deficient number, since it is larger than the sum of its proper divisors (166306565).

1120401403 is a wasteful number, since it uses less digits than its factorization.

1120401403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1120401403 is about 33472.3976284938. The cubic root of 1120401403 is about 1038.6228699988.

Adding to 1120401403 its reverse (3041040211), we get a palindrome (4161441614).

The spelling of 1120401403 in words is "one billion, one hundred twenty million, four hundred one thousand, four hundred three".