4120030157 has 2 divisors, whose sum is σ = 4120030158. Its totient is φ = 4120030156.

The previous prime is 4120030153. The next prime is 4120030163. The reversal of 4120030157 is 7510300214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4079249161 + 40780996 = 63869^2 + 6386^2 .

It is a cyclic number.

It is not a de Polignac number, because 4120030157 - 2² = 4120030153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4120030153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060015078 + 2060015079.

It is an arithmetic number, because the mean of its divisors is an integer number (2060015079).

Almost surely, 2^4120030157 is an apocalyptic number.

It is an amenable number.

4120030157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4120030157 is an equidigital number, since it uses as much as digits as its factorization.

4120030157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 4120030157 is about 64187.4610574371. The cubic root of 4120030157 is about 1603.1228276943.

The spelling of 4120030157 in words is "four billion, one hundred twenty million, thirty thousand, one hundred fifty-seven".