1101552 has 40 divisors (see below), whose sum is σ = 2906064. Its totient is φ = 359424.

The previous prime is 1101533. The next prime is 1101559. The reversal of 1101552 is 2551011.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328 + ... + 2760.

2^1101552 is an apocalyptic number.

1101552 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 1101552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453032).

1101552 is an abundant number, since it is smaller than the sum of its proper divisors (1804512).

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

1101552 is a wasteful number, since it uses less digits than its factorization.

1101552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 15.

The square root of 1101552 is about 1049.5484743450. The cubic root of 1101552 is about 103.2765371777.

Adding to 1101552 its reverse (2551011), we get a palindrome (3652563).

It can be divided in two parts, 1101 and 552, that added together give a triangular number (1653 = T₅₇).

The spelling of 1101552 in words is "one million, one hundred one thousand, five hundred fifty-two".