1101554272 has 96 divisors (see below), whose sum is σ = 2785370112. Its totient is φ = 416807424.

The previous prime is 1101554243. The next prime is 1101554281. The reversal of 1101554272 is 2724551011.

It is a super-2 number, since 2×1101554272² = 2426843628322899968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1101554272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58753 + ... + 75199.

It is an arithmetic number, because the mean of its divisors is an integer number (29014272).

Almost surely, 2^1101554272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101554272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1392685056).

1101554272 is an abundant number, since it is smaller than the sum of its proper divisors (1683815840).

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

1101554272 is a wasteful number, since it uses less digits than its factorization.

1101554272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16500 (or 16492 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 1101554272 is about 33189.6711643849. The cubic root of 1101554272 is about 1032.7660818178.

The spelling of 1101554272 in words is "one billion, one hundred one million, five hundred fifty-four thousand, two hundred seventy-two".