1051100689 has 2 divisors, whose sum is σ = 1051100690. Its totient is φ = 1051100688.

The previous prime is 1051100657. The next prime is 1051100693. The reversal of 1051100689 is 9860011501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1041998400 + 9102289 = 32280^2 + 3017^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051100689 - 2⁵ = 1051100657 is a prime.

It is a super-2 number, since 2×1051100689² = 2209625316832549442, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1051100689.

It is not a weakly prime, because it can be changed into another prime (1051107689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525550344 + 525550345.

It is an arithmetic number, because the mean of its divisors is an integer number (525550345).

Almost surely, 2^1051100689 is an apocalyptic number.

It is an amenable number.

1051100689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051100689 is an equidigital number, since it uses as much as digits as its factorization.

1051100689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 1051100689 is about 32420.6830433907. The cubic root of 1051100689 is about 1016.7513871649.

The spelling of 1051100689 in words is "one billion, fifty-one million, one hundred thousand, six hundred eighty-nine".