70351121 has 8 divisors (see below), whose sum is σ = 74393088. Its totient is φ = 66420000.

The previous prime is 70351111. The next prime is 70351123. The reversal of 70351121 is 12115307.

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

It is a de Polignac number, because none of the positive numbers 2^k-70351121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70351093 and 70351102.

It is not an unprimeable number, because it can be changed into a prime (70351123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26405 + ... + 28946.

It is an arithmetic number, because the mean of its divisors is an integer number (9299136).

Almost surely, 2^70351121 is an apocalyptic number.

It is an amenable number.

70351121 is a deficient number, since it is larger than the sum of its proper divisors (4041967).

70351121 is a wasteful number, since it uses less digits than its factorization.

70351121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55423.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 70351121 is about 8387.5575109802. The cubic root of 70351121 is about 412.8164618990.

Adding to 70351121 its reverse (12115307), we get a palindrome (82466428).

The spelling of 70351121 in words is "seventy million, three hundred fifty-one thousand, one hundred twenty-one".