70248121 has 8 divisors (see below), whose sum is σ = 72777600. Its totient is φ = 67725840.

The previous prime is 70248109. The next prime is 70248137. The reversal of 70248121 is 12184207.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70248121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70288121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25090 + ... + 27748.

It is an arithmetic number, because the mean of its divisors is an integer number (9097200).

Almost surely, 2^70248121 is an apocalyptic number.

It is an amenable number.

70248121 is a deficient number, since it is larger than the sum of its proper divisors (2529479).

70248121 is a wasteful number, since it uses less digits than its factorization.

70248121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 70248121 is about 8381.4152146281. The cubic root of 70248121 is about 412.6148974090.

The spelling of 70248121 in words is "seventy million, two hundred forty-eight thousand, one hundred twenty-one".