1103025040 has 80 divisors (see below), whose sum is σ = 2789415216. Its totient is φ = 403200000.

The previous prime is 1103025037. The next prime is 1103025047. The reversal of 1103025040 is 405203011.

It can be written as a sum of positive squares in 8 ways, for example, as 6885376 + 1096139664 = 2624^2 + 33108^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×1103025040³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1103025047) 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, 99790 + ... + 110290.

Almost surely, 2^1103025040 is an apocalyptic number.

1103025040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1103025040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394707608).

1103025040 is an abundant number, since it is smaller than the sum of its proper divisors (1686390176).

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

1103025040 is a wasteful number, since it uses less digits than its factorization.

1103025040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10628 (or 10622 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1103025040 is about 33211.8207871836. The cubic root of 1103025040 is about 1033.2255186392.

Adding to 1103025040 its reverse (405203011), we get a palindrome (1508228051).

The spelling of 1103025040 in words is "one billion, one hundred three million, twenty-five thousand, forty".