1061121585 has 16 divisors (see below), whose sum is σ = 1733918976. Its totient is φ = 553890048.

The previous prime is 1061121563. The next prime is 1061121619. The reversal of 1061121585 is 5851211601.

It is not a de Polignac number, because 1061121585 - 2⁹ = 1061121073 is a prime.

It is a super-2 number, since 2×1061121585² = 2251958036305824450, 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, 751864 + ... + 753273.

It is an arithmetic number, because the mean of its divisors is an integer number (108369936).

Almost surely, 2^1061121585 is an apocalyptic number.

1061121585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1061121585 is a deficient number, since it is larger than the sum of its proper divisors (672797391).

1061121585 is a wasteful number, since it uses less digits than its factorization.

1061121585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505192.

The product of its (nonzero) digits is 2400, while the sum is 30.

The square root of 1061121585 is about 32574.8612429892. The cubic root of 1061121585 is about 1019.9723127817.

The spelling of 1061121585 in words is "one billion, sixty-one million, one hundred twenty-one thousand, five hundred eighty-five".