1061088909 has 8 divisors (see below), whose sum is σ = 1422689760. Its totient is φ = 703440336.

The previous prime is 1061088893. The next prime is 1061088911. The reversal of 1061088909 is 9098801601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1061088909 - 2⁴ = 1061088893 is a prime.

It is a super-2 number, since 2×1061088909² = 2251819345605620562, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061081909) 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, 987442 + ... + 988515.

It is an arithmetic number, because the mean of its divisors is an integer number (177836220).

Almost surely, 2^1061088909 is an apocalyptic number.

It is an amenable number.

1061088909 is a deficient number, since it is larger than the sum of its proper divisors (361600851).

1061088909 is a wasteful number, since it uses less digits than its factorization.

1061088909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976139.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 1061088909 is about 32574.3596867229. The cubic root of 1061088909 is about 1019.9618430555.

The spelling of 1061088909 in words is "one billion, sixty-one million, eighty-eight thousand, nine hundred nine".