3600120061 has 2 divisors, whose sum is σ = 3600120062. Its totient is φ = 3600120060.

The previous prime is 3600120023. The next prime is 3600120079. The reversal of 3600120061 is 1600210063.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1929844900 + 1670275161 = 43930^2 + 40869^2 .

It is a cyclic number.

It is not a de Polignac number, because 3600120061 - 2¹⁷ = 3599988989 is a prime.

It is a super-2 number, since 2×3600120061² = 25921728907229287442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3600120961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1800060030 + 1800060031.

It is an arithmetic number, because the mean of its divisors is an integer number (1800060031).

Almost surely, 2^3600120061 is an apocalyptic number.

It is an amenable number.

3600120061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3600120061 is an equidigital number, since it uses as much as digits as its factorization.

3600120061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 3600120061 is about 60001.0004999917. Note that the first 3 decimals coincide. The cubic root of 3600120061 is about 1532.6359023527.

The spelling of 3600120061 in words is "three billion, six hundred million, one hundred twenty thousand, sixty-one".