1042426069 has 2 divisors, whose sum is σ = 1042426070. Its totient is φ = 1042426068.

The previous prime is 1042426061. The next prime is 1042426097. The reversal of 1042426069 is 9606242401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 654848100 + 387577969 = 25590^2 + 19687^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042426069 - 2³ = 1042426061 is a prime.

It is a super-2 number, since 2×1042426069² = 2173304218661585522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1042426061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521213034 + 521213035.

It is an arithmetic number, because the mean of its divisors is an integer number (521213035).

Almost surely, 2^1042426069 is an apocalyptic number.

It is an amenable number.

1042426069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042426069 is an equidigital number, since it uses as much as digits as its factorization.

1042426069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1042426069 is about 32286.6236853592. The cubic root of 1042426069 is about 1013.9466108048.

The spelling of 1042426069 in words is "one billion, forty-two million, four hundred twenty-six thousand, sixty-nine".