70101109 has 4 divisors (see below), whose sum is σ = 75493516. Its totient is φ = 64708704.

The previous prime is 70101067. The next prime is 70101121. The reversal of 70101109 is 90110107.

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 37576900 + 32524209 = 6130^2 + 5703^2 .

It is a cyclic number.

It is not a de Polignac number, because 70101109 - 2⁷ = 70100981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70101809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2696184 + ... + 2696209.

It is an arithmetic number, because the mean of its divisors is an integer number (18873379).

Almost surely, 2^70101109 is an apocalyptic number.

It is an amenable number.

70101109 is a deficient number, since it is larger than the sum of its proper divisors (5392407).

70101109 is a wasteful number, since it uses less digits than its factorization.

70101109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392406.

The product of its (nonzero) digits is 63, while the sum is 19.

The square root of 70101109 is about 8372.6405034493. The cubic root of 70101109 is about 412.3268626321.

The spelling of 70101109 in words is "seventy million, one hundred one thousand, one hundred nine".