1011744061 has 2 divisors, whose sum is σ = 1011744062. Its totient is φ = 1011744060.

The previous prime is 1011744007. The next prime is 1011744067. The reversal of 1011744061 is 1604471101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 723932836 + 287811225 = 26906^2 + 16965^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011744061 - 2¹³ = 1011735869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011744067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505872030 + 505872031.

It is an arithmetic number, because the mean of its divisors is an integer number (505872031).

Almost surely, 2^1011744061 is an apocalyptic number.

It is an amenable number.

1011744061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011744061 is an equidigital number, since it uses as much as digits as its factorization.

1011744061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1011744061 is about 31807.9245000362. The cubic root of 1011744061 is about 1003.8994614357.

The spelling of 1011744061 in words is "one billion, eleven million, seven hundred forty-four thousand, sixty-one".