1061053905 has 64 divisors (see below), whose sum is σ = 1795322880. Its totient is φ = 534583296.

The previous prime is 1061053849. The next prime is 1061053919. The reversal of 1061053905 is 5093501601.

It is not a de Polignac number, because 1061053905 - 2⁸ = 1061053649 is a prime.

It is a super-2 number, since 2×1061053905² = 2251670778631498050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2727451 + ... + 2727839.

It is an arithmetic number, because the mean of its divisors is an integer number (28051920).

Almost surely, 2^1061053905 is an apocalyptic number.

1061053905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1061053905 is a deficient number, since it is larger than the sum of its proper divisors (734268975).

1061053905 is a wasteful number, since it uses less digits than its factorization.

1061053905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 1061053905 is about 32573.8223885377. The cubic root of 1061053905 is about 1019.9506271757.

The spelling of 1061053905 in words is "one billion, sixty-one million, fifty-three thousand, nine hundred five".