120567731 has 2 divisors, whose sum is σ = 120567732. Its totient is φ = 120567730.

The previous prime is 120567691. The next prime is 120567763. The reversal of 120567731 is 137765021.

It is an a-pointer prime, because the next prime (120567763) can be obtained adding 120567731 to its sum of digits (32).

It is a strong prime.

It is an emirp because it is prime and its reverse (137765021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 120567731 - 2¹⁰ = 120566707 is a prime.

It is a super-2 number, since 2×120567731² = 29073155516976722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120567131) 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, 60283865 + 60283866.

It is an arithmetic number, because the mean of its divisors is an integer number (60283866).

Almost surely, 2^120567731 is an apocalyptic number.

120567731 is a deficient number, since it is larger than the sum of its proper divisors (1).

120567731 is an equidigital number, since it uses as much as digits as its factorization.

120567731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 120567731 is about 10980.3338291693. Note that the first 3 decimals coincide. The cubic root of 120567731 is about 494.0190497334.

The spelling of 120567731 in words is "one hundred twenty million, five hundred sixty-seven thousand, seven hundred thirty-one".