4742121157 has 8 divisors (see below), whose sum is σ = 4768432416. Its totient is φ = 4715832912.

The previous prime is 4742121121. The next prime is 4742121161. The reversal of 4742121157 is 7511212474.

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 4742121157 - 2¹⁵ = 4742088389 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 (4742101157) 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, 555838 + ... + 564304.

It is an arithmetic number, because the mean of its divisors is an integer number (596054052).

Almost surely, 2^4742121157 is an apocalyptic number.

It is an amenable number.

4742121157 is a deficient number, since it is larger than the sum of its proper divisors (26311259).

4742121157 is a wasteful number, since it uses less digits than its factorization.

4742121157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11507.

The product of its digits is 15680, while the sum is 34.

The square root of 4742121157 is about 68863.0609035062. The cubic root of 4742121157 is about 1680.0577688232.

The spelling of 4742121157 in words is "four billion, seven hundred forty-two million, one hundred twenty-one thousand, one hundred fifty-seven".