70121152 has 28 divisors (see below), whose sum is σ = 142545816. Its totient is φ = 34204160.

The previous prime is 70121143. The next prime is 70121167. The reversal of 70121152 is 25112107.

It is an unprimeable number.

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, 10738 + ... + 15985.

It is an arithmetic number, because the mean of its divisors is an integer number (5090922).

Almost surely, 2^70121152 is an apocalyptic number.

It is an amenable number.

70121152 is an abundant number, since it is smaller than the sum of its proper divisors (72424664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70121152 is a wasteful number, since it uses less digits than its factorization.

70121152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26776 (or 26766 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 70121152 is about 8373.8373521343. The cubic root of 70121152 is about 412.3661557803.

Adding to 70121152 its reverse (25112107), we get a palindrome (95233259).

The spelling of 70121152 in words is "seventy million, one hundred twenty-one thousand, one hundred fifty-two".