70120999 has 8 divisors (see below), whose sum is σ = 75587120. Its totient is φ = 64665216.

The previous prime is 70120993. The next prime is 70121011. The reversal of 70120999 is 99902107.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70120999 - 2⁷ = 70120871 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 (70120993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17119 + ... + 20815.

It is an arithmetic number, because the mean of its divisors is an integer number (9448390).

Almost surely, 2^70120999 is an apocalyptic number.

70120999 is a deficient number, since it is larger than the sum of its proper divisors (5466121).

70120999 is a wasteful number, since it uses less digits than its factorization.

70120999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 70120999 is about 8373.8282165327. The cubic root of 70120999 is about 412.3658558610.

The spelling of 70120999 in words is "seventy million, one hundred twenty thousand, nine hundred ninety-nine".