70121224 has 16 divisors (see below), whose sum is σ = 132317100. Its totient is φ = 34836672.

The previous prime is 70121221. The next prime is 70121237. The reversal of 70121224 is 42212107.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 68724100 + 1397124 = 8290^2 + 1182^2 .

It is not an unprimeable number, because it can be changed into a prime (70121221) 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, 26659 + ... + 29170.

Almost surely, 2^70121224 is an apocalyptic number.

It is an amenable number.

70121224 is a deficient number, since it is larger than the sum of its proper divisors (62195876).

70121224 is a wasteful number, since it uses less digits than its factorization.

70121224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55992 (or 55988 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 70121224 is about 8373.8416512375. The cubic root of 70121224 is about 412.3662969187.

The spelling of 70121224 in words is "seventy million, one hundred twenty-one thousand, two hundred twenty-four".