1011301409 has 2 divisors, whose sum is σ = 1011301410. Its totient is φ = 1011301408.

The previous prime is 1011301387. The next prime is 1011301433. The reversal of 1011301409 is 9041031101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 536061409 + 475240000 = 23153^2 + 21800^2 .

It is an emirp because it is prime and its reverse (9041031101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011301409 - 2⁸ = 1011301153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011301469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505650704 + 505650705.

It is an arithmetic number, because the mean of its divisors is an integer number (505650705).

Almost surely, 2^1011301409 is an apocalyptic number.

It is an amenable number.

1011301409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011301409 is an equidigital number, since it uses as much as digits as its factorization.

1011301409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1011301409 is about 31800.9655356563. The cubic root of 1011301409 is about 1003.7530334524.

The spelling of 1011301409 in words is "one billion, eleven million, three hundred one thousand, four hundred nine".