1074398261 has 2 divisors, whose sum is σ = 1074398262. Its totient is φ = 1074398260.

The previous prime is 1074398209. The next prime is 1074398389. The reversal of 1074398261 is 1628934701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 897002500 + 177395761 = 29950^2 + 13319^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074398261 - 2²² = 1070203957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074398461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537199130 + 537199131.

It is an arithmetic number, because the mean of its divisors is an integer number (537199131).

Almost surely, 2^1074398261 is an apocalyptic number.

It is an amenable number.

1074398261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074398261 is an equidigital number, since it uses as much as digits as its factorization.

1074398261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 1074398261 is about 32778.0149032854. The cubic root of 1074398261 is about 1024.2086331919.

The spelling of 1074398261 in words is "one billion, seventy-four million, three hundred ninety-eight thousand, two hundred sixty-one".