1113407261 has 2 divisors, whose sum is σ = 1113407262. Its totient is φ = 1113407260.

The previous prime is 1113407257. The next prime is 1113407291. The reversal of 1113407261 is 1627043111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 688800025 + 424607236 = 26245^2 + 20606^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113407261 - 2² = 1113407257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113407261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113407221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556703630 + 556703631.

It is an arithmetic number, because the mean of its divisors is an integer number (556703631).

Almost surely, 2^1113407261 is an apocalyptic number.

It is an amenable number.

1113407261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113407261 is an equidigital number, since it uses as much as digits as its factorization.

1113407261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1113407261 is about 33367.7578060019. The cubic root of 1113407261 is about 1036.4571449038.

The spelling of 1113407261 in words is "one billion, one hundred thirteen million, four hundred seven thousand, two hundred sixty-one".