1003420140 has 48 divisors (see below), whose sum is σ = 2851521792. Its totient is φ = 263583936.

The previous prime is 1003420111. The next prime is 1003420141. The reversal of 1003420140 is 410243001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1003420141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120784 + ... + 128823.

It is an arithmetic number, because the mean of its divisors is an integer number (59406704).

Almost surely, 2^1003420140 is an apocalyptic number.

1003420140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003420140 is an abundant number, since it is smaller than the sum of its proper divisors (1848101652).

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

1003420140 is a wasteful number, since it uses less digits than its factorization.

1003420140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249686 (or 249684 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1003420140 is about 31676.8076043026. The cubic root of 1003420140 is about 1001.1387494242.

Adding to 1003420140 its reverse (410243001), we get a palindrome (1413663141).

The spelling of 1003420140 in words is "one billion, three million, four hundred twenty thousand, one hundred forty".