1018038061 has 2 divisors, whose sum is σ = 1018038062. Its totient is φ = 1018038060.

The previous prime is 1018038053. The next prime is 1018038103. The reversal of 1018038061 is 1608308101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744962436 + 273075625 = 27294^2 + 16525^2 .

It is a cyclic number.

It is not a de Polignac number, because 1018038061 - 2³ = 1018038053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1018038361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509019030 + 509019031.

It is an arithmetic number, because the mean of its divisors is an integer number (509019031).

Almost surely, 2^1018038061 is an apocalyptic number.

It is an amenable number.

1018038061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1018038061 is an equidigital number, since it uses as much as digits as its factorization.

1018038061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1018038061 is about 31906.7087146261. The cubic root of 1018038061 is about 1005.9768925837.

The spelling of 1018038061 in words is "one billion, eighteen million, thirty-eight thousand, sixty-one".