1061554236 has 48 divisors (see below), whose sum is σ = 2593672704. Its totient is φ = 337285696.

The previous prime is 1061554229. The next prime is 1061554261. The reversal of 1061554236 is 6324551601.

It is a super-2 number, since 2×1061554236² = 2253794791939087392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061554197 and 1061554206.

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, 74305 + ... + 87431.

It is an arithmetic number, because the mean of its divisors is an integer number (54034848).

Almost surely, 2^1061554236 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 1061554236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1296836352).

1061554236 is an abundant number, since it is smaller than the sum of its proper divisors (1532118468).

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

1061554236 is a wasteful number, since it uses less digits than its factorization.

1061554236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13450 (or 13448 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 1061554236 is about 32581.5014386998. The cubic root of 1061554236 is about 1020.1109183493.

The spelling of 1061554236 in words is "one billion, sixty-one million, five hundred fifty-four thousand, two hundred thirty-six".