70610121 has 24 divisors (see below), whose sum is σ = 105530880. Its totient is φ = 45467136.

The previous prime is 70610117. The next prime is 70610143. The reversal of 70610121 is 12101607.

It is not a de Polignac number, because 70610121 - 2² = 70610117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70610094 and 70610103.

It is not an unprimeable number, because it can be changed into a prime (70610021) 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 23 ways as a sum of consecutive naturals, for example, 32361 + ... + 34473.

It is an arithmetic number, because the mean of its divisors is an integer number (4397120).

Almost surely, 2^70610121 is an apocalyptic number.

It is an amenable number.

70610121 is a deficient number, since it is larger than the sum of its proper divisors (34920759).

70610121 is a wasteful number, since it uses less digits than its factorization.

70610121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245 (or 2242 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 70610121 is about 8402.9828632456. The cubic root of 70610121 is about 413.3224406743.

Adding to 70610121 its reverse (12101607), we get a palindrome (82711728).

The spelling of 70610121 in words is "seventy million, six hundred ten thousand, one hundred twenty-one".