1061912787 has 16 divisors (see below), whose sum is σ = 1526854560. Its totient is φ = 652603392.

The previous prime is 1061912779. The next prime is 1061912791. The reversal of 1061912787 is 7872191601.

It is not a de Polignac number, because 1061912787 - 2³ = 1061912779 is a prime.

It is a super-2 number, since 2×1061912787² = 2255317534388214738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061912767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11539 + ... + 47507.

It is an arithmetic number, because the mean of its divisors is an integer number (95428410).

Almost surely, 2^1061912787 is an apocalyptic number.

1061912787 is a deficient number, since it is larger than the sum of its proper divisors (464941773).

1061912787 is a wasteful number, since it uses less digits than its factorization.

1061912787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36742.

The product of its (nonzero) digits is 42336, while the sum is 42.

The square root of 1061912787 is about 32587.0033448920. The cubic root of 1061912787 is about 1020.2257564503.

The spelling of 1061912787 in words is "one billion, sixty-one million, nine hundred twelve thousand, seven hundred eighty-seven".