1060628891 has 12 divisors (see below), whose sum is σ = 1219691088. Its totient is φ = 903464352.

The previous prime is 1060628873. The next prime is 1060628903. The reversal of 1060628891 is 1988260601.

It is a de Polignac number, because none of the positive numbers 2^k-1060628891 is a prime.

It is a super-2 number, since 2×1060628891² = 2249867288847779762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1060628851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1208945 + ... + 1209821.

It is an arithmetic number, because the mean of its divisors is an integer number (101640924).

Almost surely, 2^1060628891 is an apocalyptic number.

1060628891 is a deficient number, since it is larger than the sum of its proper divisors (159062197).

1060628891 is an frugal number, since it uses more digits than its factorization.

1060628891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 1060628891 is about 32567.2978768580. The cubic root of 1060628891 is about 1019.8144257422.

The spelling of 1060628891 in words is "one billion, sixty million, six hundred twenty-eight thousand, eight hundred ninety-one".