70121149 has 8 divisors (see below), whose sum is σ = 80248320. Its totient is φ = 60021456.

The previous prime is 70121143. The next prime is 70121167. The reversal of 70121149 is 94112107.

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

It is a cyclic number.

It is not a de Polignac number, because 70121149 - 2¹⁷ = 69990077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70121143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1069 + ... + 11890.

It is an arithmetic number, because the mean of its divisors is an integer number (10031040).

Almost surely, 2^70121149 is an apocalyptic number.

It is an amenable number.

70121149 is a deficient number, since it is larger than the sum of its proper divisors (10127171).

70121149 is a wasteful number, since it uses less digits than its factorization.

70121149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13739.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 70121149 is about 8373.8371730050. The cubic root of 70121149 is about 412.3661498995.

The spelling of 70121149 in words is "seventy million, one hundred twenty-one thousand, one hundred forty-nine".