1428742607 has 2 divisors, whose sum is σ = 1428742608. Its totient is φ = 1428742606.

The previous prime is 1428742603. The next prime is 1428742619. The reversal of 1428742607 is 7062478241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1428742607 - 2² = 1428742603 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1428742603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714371303 + 714371304.

It is an arithmetic number, because the mean of its divisors is an integer number (714371304).

Almost surely, 2^1428742607 is an apocalyptic number.

1428742607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428742607 is an equidigital number, since it uses as much as digits as its factorization.

1428742607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 1428742607 is about 37798.7117108507. The cubic root of 1428742607 is about 1126.2928628269.

The spelling of 1428742607 in words is "one billion, four hundred twenty-eight million, seven hundred forty-two thousand, six hundred seven".