1103402240 has 36 divisors (see below), whose sum is σ = 2642996244. Its totient is φ = 441360384.

The previous prime is 1103402213. The next prime is 1103402341. The reversal of 1103402240 is 422043011.

It can be written as a sum of positive squares in 2 ways, for example, as 831284224 + 272118016 = 28832^2 + 16496^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429737 + ... + 432296.

Almost surely, 2^1103402240 is an apocalyptic number.

1103402240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1103402240 is an abundant number, since it is smaller than the sum of its proper divisors (1539594004).

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

1103402240 is an frugal number, since it uses more digits than its factorization.

1103402240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862054 (or 862040 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1103402240 is about 33217.4990027847. The cubic root of 1103402240 is about 1033.3432821334.

Adding to 1103402240 its reverse (422043011), we get a palindrome (1525445251).

The spelling of 1103402240 in words is "one billion, one hundred three million, four hundred two thousand, two hundred forty".