Search a number
-
+
120725641 is a prime number
BaseRepresentation
bin1110011001000…
…10000010001001
322102011111110001
413030202002021
5221401210031
615551323001
72664102541
oct714420211
9272144401
10120725641
1162167a63
1234520461
131c01c2ba
1412068321
15a8ea861
hex7322089

120725641 has 2 divisors, whose sum is σ = 120725642. Its totient is φ = 120725640.

The previous prime is 120725629. The next prime is 120725651. The reversal of 120725641 is 146527021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110670400 + 10055241 = 10520^2 + 3171^2 .

It is a cyclic number.

It is not a de Polignac number, because 120725641 - 25 = 120725609 is a prime.

It is not a weakly prime, because it can be changed into another prime (120725651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60362820 + 60362821.

It is an arithmetic number, because the mean of its divisors is an integer number (60362821).

Almost surely, 2120725641 is an apocalyptic number.

It is an amenable number.

120725641 is a deficient number, since it is larger than the sum of its proper divisors (1).

120725641 is an equidigital number, since it uses as much as digits as its factorization.

120725641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 120725641 is about 10987.5220591360. The cubic root of 120725641 is about 494.2346312297.

The spelling of 120725641 in words is "one hundred twenty million, seven hundred twenty-five thousand, six hundred forty-one".