1012434091 has 2 divisors, whose sum is σ = 1012434092. Its totient is φ = 1012434090.

The previous prime is 1012434067. The next prime is 1012434103. The reversal of 1012434091 is 1904342101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012434091 - 2⁹ = 1012433579 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012434001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506217045 + 506217046.

It is an arithmetic number, because the mean of its divisors is an integer number (506217046).

Almost surely, 2^1012434091 is an apocalyptic number.

1012434091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012434091 is an equidigital number, since it uses as much as digits as its factorization.

1012434091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1012434091 is about 31818.7694765212. The cubic root of 1012434091 is about 1004.1276361782.

Adding to 1012434091 its reverse (1904342101), we get a palindrome (2916776192).

The spelling of 1012434091 in words is "one billion, twelve million, four hundred thirty-four thousand, ninety-one".