70121107 has 12 divisors (see below), whose sum is σ = 86368680. Its totient is φ = 56567616.

The previous prime is 70121083. The next prime is 70121123. The reversal of 70121107 is 70112107.

It is not a de Polignac number, because 70121107 - 2¹⁹ = 69596819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70121167) 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, 41257 + ... + 42922.

It is an arithmetic number, because the mean of its divisors is an integer number (7197390).

Almost surely, 2^70121107 is an apocalyptic number.

70121107 is a deficient number, since it is larger than the sum of its proper divisors (16247573).

70121107 is a wasteful number, since it uses less digits than its factorization.

70121107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84210 (or 84203 counting only the distinct ones).

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 70121107 is about 8373.8346651937. The cubic root of 70121107 is about 412.3660675688.

The spelling of 70121107 in words is "seventy million, one hundred twenty-one thousand, one hundred seven".