1061339755 has 16 divisors (see below), whose sum is σ = 1485259200. Its totient is φ = 727774656.

The previous prime is 1061339749. The next prime is 1061339779. The reversal of 1061339755 is 5579331601.

It is a happy number.

It is not a de Polignac number, because 1061339755 - 2¹¹ = 1061337707 is a prime.

It is a super-2 number, since 2×1061339755² = 2252884151086920050, which contains 22 as substring.

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, 307714 + ... + 311143.

It is an arithmetic number, because the mean of its divisors is an integer number (92828700).

Almost surely, 2^1061339755 is an apocalyptic number.

1061339755 is a deficient number, since it is larger than the sum of its proper divisors (423919445).

1061339755 is an frugal number, since it uses more digits than its factorization.

1061339755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618883 (or 618869 counting only the distinct ones).

The product of its (nonzero) digits is 85050, while the sum is 40.

The square root of 1061339755 is about 32578.2098188344. The cubic root of 1061339755 is about 1020.0422111841.

The spelling of 1061339755 in words is "one billion, sixty-one million, three hundred thirty-nine thousand, seven hundred fifty-five".