1011229061 has 2 divisors, whose sum is σ = 1011229062. Its totient is φ = 1011229060.

The previous prime is 1011229027. The next prime is 1011229067. The reversal of 1011229061 is 1609221101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 590733025 + 420496036 = 24305^2 + 20506^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011229061 - 2⁶ = 1011228997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011229067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505614530 + 505614531.

It is an arithmetic number, because the mean of its divisors is an integer number (505614531).

Almost surely, 2^1011229061 is an apocalyptic number.

It is an amenable number.

1011229061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011229061 is an equidigital number, since it uses as much as digits as its factorization.

1011229061 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 23.

The square root of 1011229061 is about 31799.8280026795. The cubic root of 1011229061 is about 1003.7290968840.

The spelling of 1011229061 in words is "one billion, eleven million, two hundred twenty-nine thousand, sixty-one".