1061061320 has 32 divisors (see below), whose sum is σ = 2604424320. Its totient is φ = 385840320.

The previous prime is 1061061319. The next prime is 1061061329. The reversal of 1061061320 is 231601601.

It is a super-2 number, since 2×1061061320² = 2251702249600284800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1061061292 and 1061061301.

It is not an unprimeable number, because it can be changed into a prime (1061061329) 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, 1205312 + ... + 1206191.

It is an arithmetic number, because the mean of its divisors is an integer number (81388260).

Almost surely, 2^1061061320 is an apocalyptic number.

1061061320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1061061320 is an abundant number, since it is smaller than the sum of its proper divisors (1543363000).

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

1061061320 is a wasteful number, since it uses less digits than its factorization.

1061061320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2411525 (or 2411521 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1061061320 is about 32573.9362067282. The cubic root of 1061061320 is about 1019.9530030890.

Adding to 1061061320 its reverse (231601601), we get a palindrome (1292662921).

The spelling of 1061061320 in words is "one billion, sixty-one million, sixty-one thousand, three hundred twenty".