70134121 has 4 divisors (see below), whose sum is σ = 72396544. Its totient is φ = 67871700.

The previous prime is 70134109. The next prime is 70134131. The reversal of 70134121 is 12143107.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 70134121 - 2¹⁹ = 69609833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70134131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131165 + ... + 1131226.

It is an arithmetic number, because the mean of its divisors is an integer number (18099136).

Almost surely, 2^70134121 is an apocalyptic number.

It is an amenable number.

70134121 is a deficient number, since it is larger than the sum of its proper divisors (2262423).

70134121 is a wasteful number, since it uses less digits than its factorization.

70134121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262422.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 70134121 is about 8374.6116924906. The cubic root of 70134121 is about 412.3915767688.

Adding to 70134121 its reverse (12143107), we get a palindrome (82277228).

The spelling of 70134121 in words is "seventy million, one hundred thirty-four thousand, one hundred twenty-one".