1426215029 has 2 divisors, whose sum is σ = 1426215030. Its totient is φ = 1426215028.

The previous prime is 1426215023. The next prime is 1426215059. The reversal of 1426215029 is 9205126241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1421440804 + 4774225 = 37702^2 + 2185^2 .

It is an emirp because it is prime and its reverse (9205126241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1426215029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1426214986 and 1426215004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1426215023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713107514 + 713107515.

It is an arithmetic number, because the mean of its divisors is an integer number (713107515).

Almost surely, 2^1426215029 is an apocalyptic number.

It is an amenable number.

1426215029 is a deficient number, since it is larger than the sum of its proper divisors (1).

1426215029 is an equidigital number, since it uses as much as digits as its factorization.

1426215029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1426215029 is about 37765.2621995399. The cubic root of 1426215029 is about 1125.6282986508.

The spelling of 1426215029 in words is "one billion, four hundred twenty-six million, two hundred fifteen thousand, twenty-nine".