1503161340 has 24 divisors (see below), whose sum is σ = 4208851920. Its totient is φ = 400843008.

The previous prime is 1503161333. The next prime is 1503161347. The reversal of 1503161340 is 431613051.

It is an interprime number because it is at equal distance from previous prime (1503161333) and next prime (1503161347).

It is a self number, because there is not a number n which added to its sum of digits gives 1503161340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1503161347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12526285 + ... + 12526404.

It is an arithmetic number, because the mean of its divisors is an integer number (175368830).

Almost surely, 2^1503161340 is an apocalyptic number.

1503161340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1503161340 is an abundant number, since it is smaller than the sum of its proper divisors (2705690580).

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

1503161340 is a wasteful number, since it uses less digits than its factorization.

1503161340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25052701 (or 25052699 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1503161340 is about 38770.6247047942. The cubic root of 1503161340 is about 1145.5178629078.

Adding to 1503161340 its reverse (431613051), we get a palindrome (1934774391).

The spelling of 1503161340 in words is "one billion, five hundred three million, one hundred sixty-one thousand, three hundred forty".