1102152540 has 96 divisors (see below), whose sum is σ = 3236546880. Its totient is φ = 279853056.

The previous prime is 1102152539. The next prime is 1102152587. The reversal of 1102152540 is 452512011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122682 + ... + 131358.

It is an arithmetic number, because the mean of its divisors is an integer number (33714030).

Almost surely, 2^1102152540 is an apocalyptic number.

1102152540 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 1102152540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1618273440).

1102152540 is an abundant number, since it is smaller than the sum of its proper divisors (2134394340).

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

1102152540 is a wasteful number, since it uses less digits than its factorization.

1102152540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8791 (or 8789 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1102152540 is about 33198.6828051958. The cubic root of 1102152540 is about 1032.9530174020.

Adding to 1102152540 its reverse (452512011), we get a palindrome (1554664551).

The spelling of 1102152540 in words is "one billion, one hundred two million, one hundred fifty-two thousand, five hundred forty".