1102089252 has 96 divisors (see below), whose sum is σ = 3006710784. Its totient is φ = 310780800.

The previous prime is 1102089223. The next prime is 1102089253. The reversal of 1102089252 is 2529802011.

It is not an unprimeable number, because it can be changed into a prime (1102089253) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107427 + ... + 117237.

It is an arithmetic number, because the mean of its divisors is an integer number (31319904).

Almost surely, 2^1102089252 is an apocalyptic number.

1102089252 is a gapful number since it is divisible by the number (12) 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 1102089252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1503355392).

1102089252 is an abundant number, since it is smaller than the sum of its proper divisors (1904621532).

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

1102089252 is a wasteful number, since it uses less digits than its factorization.

1102089252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9889 (or 9887 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 1102089252 is about 33197.7296211654. The cubic root of 1102089252 is about 1032.9332455527.

The spelling of 1102089252 in words is "one billion, one hundred two million, eighty-nine thousand, two hundred fifty-two".