1102520540 has 96 divisors (see below), whose sum is σ = 2582496000. Its totient is φ = 395292480.

The previous prime is 1102520483. The next prime is 1102520563. The reversal of 1102520540 is 450252011.

It is a super-2 number, since 2×1102520540² = 2431103082243783200, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 2209211 + ... + 2209709.

It is an arithmetic number, because the mean of its divisors is an integer number (26901000).

Almost surely, 2^1102520540 is an apocalyptic number.

1102520540 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 1102520540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1291248000).

1102520540 is an abundant number, since it is smaller than the sum of its proper divisors (1479975460).

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

1102520540 is a wasteful number, since it uses less digits than its factorization.

1102520540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1102520540 is about 33204.2247311995. The cubic root of 1102520540 is about 1033.0679695517.

Adding to 1102520540 its reverse (450252011), we get a palindrome (1552772551).

The spelling of 1102520540 in words is "one billion, one hundred two million, five hundred twenty thousand, five hundred forty".