1070101645 has 4 divisors (see below), whose sum is σ = 1284121980. Its totient is φ = 856081312.

The previous prime is 1070101639. The next prime is 1070101661. The reversal of 1070101645 is 5461010701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 595994569 + 474107076 = 24413^2 + 21774^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1070101645 is a prime.

It is a super-3 number, since 3×1070101645³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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, 107010160 + ... + 107010169.

It is an arithmetic number, because the mean of its divisors is an integer number (321030495).

Almost surely, 2^1070101645 is an apocalyptic number.

It is an amenable number.

1070101645 is a deficient number, since it is larger than the sum of its proper divisors (214020335).

1070101645 is an equidigital number, since it uses as much as digits as its factorization.

1070101645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214020334.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 1070101645 is about 32712.4081198557. The cubic root of 1070101645 is about 1022.8415081065.

The spelling of 1070101645 in words is "one billion, seventy million, one hundred one thousand, six hundred forty-five".