1061694441 has 12 divisors (see below), whose sum is σ = 1534078260. Its totient is φ = 707556480.

The previous prime is 1061694433. The next prime is 1061694457. The reversal of 1061694441 is 1444961601.

It can be written as a sum of positive squares in 2 ways, for example, as 207360000 + 854334441 = 14400^2 + 29229^2 .

It is not a de Polignac number, because 1061694441 - 2³ = 1061694433 is a prime.

It is a super-2 number, since 2×1061694441² = 2254390172100604962, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061694396 and 1061694405.

It is not an unprimeable number, because it can be changed into a prime (1061694481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10501 + ... + 47261.

It is an arithmetic number, because the mean of its divisors is an integer number (127839855).

Almost surely, 2^1061694441 is an apocalyptic number.

It is an amenable number.

1061694441 is a deficient number, since it is larger than the sum of its proper divisors (472383819).

1061694441 is a wasteful number, since it uses less digits than its factorization.

1061694441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39976 (or 39973 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 1061694441 is about 32583.6529720042. The cubic root of 1061694441 is about 1020.1558268273.

The spelling of 1061694441 in words is "one billion, sixty-one million, six hundred ninety-four thousand, four hundred forty-one".