1060972691 has 4 divisors (see below), whose sum is σ = 1061052792. Its totient is φ = 1060892592.

The previous prime is 1060972643. The next prime is 1060972697. The reversal of 1060972691 is 1962790601.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1962790601 = 1733 ⋅1132597.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1060972691 is a prime.

It is a super-2 number, since 2×1060972691² = 2251326102095562962, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1060972697) 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 3 ways as a sum of consecutive naturals, for example, 14930 + ... + 48423.

It is an arithmetic number, because the mean of its divisors is an integer number (265263198).

Almost surely, 2^1060972691 is an apocalyptic number.

1060972691 is a deficient number, since it is larger than the sum of its proper divisors (80101).

1060972691 is an equidigital number, since it uses as much as digits as its factorization.

1060972691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80100.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 1060972691 is about 32572.5757501614. The cubic root of 1060972691 is about 1019.9246038721.

The spelling of 1060972691 in words is "one billion, sixty million, nine hundred seventy-two thousand, six hundred ninety-one".