1403103420 has 72 divisors (see below), whose sum is σ = 4316064480. Its totient is φ = 368887680.

The previous prime is 1403103409. The next prime is 1403103421. The reversal of 1403103420 is 243013041.

1403103420 is a `hidden beast` number, since 14 + 0 + 310 + 342 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1403103393 and 1403103402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403103421) 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, 42115 + ... + 67674.

It is an arithmetic number, because the mean of its divisors is an integer number (59945340).

Almost surely, 2^1403103420 is an apocalyptic number.

1403103420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1403103420 is an abundant number, since it is smaller than the sum of its proper divisors (2912961060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1403103420 is a wasteful number, since it uses less digits than its factorization.

1403103420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109875 (or 109870 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1403103420 is about 37458.0221047508. The cubic root of 1403103420 is about 1119.5149419560.

Adding to 1403103420 its reverse (243013041), we get a palindrome (1646116461).

The spelling of 1403103420 in words is "one billion, four hundred three million, one hundred three thousand, four hundred twenty".