1003425140 has 24 divisors (see below), whose sum is σ = 2198810880. Its totient is φ = 383919008.

The previous prime is 1003425139. The next prime is 1003425211. The reversal of 1003425140 is 415243001.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090220 + ... + 1091139.

It is an arithmetic number, because the mean of its divisors is an integer number (91617120).

Almost surely, 2^1003425140 is an apocalyptic number.

1003425140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003425140 is an abundant number, since it is smaller than the sum of its proper divisors (1195385740).

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

1003425140 is a wasteful number, since it uses less digits than its factorization.

1003425140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181391 (or 2181389 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1003425140 is about 31676.8865262986. The cubic root of 1003425140 is about 1001.1404122987.

Adding to 1003425140 its reverse (415243001), we get a palindrome (1418668141).

The spelling of 1003425140 in words is "one billion, three million, four hundred twenty-five thousand, one hundred forty".