1283157107 has 2 divisors, whose sum is σ = 1283157108. Its totient is φ = 1283157106.

The previous prime is 1283157103. The next prime is 1283157121. The reversal of 1283157107 is 7017513821.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (7017513821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1283157107 - 2² = 1283157103 is a prime.

It is a super-2 number, since 2×1283157107² = 3292984322489218898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1283157103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641578553 + 641578554.

It is an arithmetic number, because the mean of its divisors is an integer number (641578554).

Almost surely, 2^1283157107 is an apocalyptic number.

1283157107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283157107 is an equidigital number, since it uses as much as digits as its factorization.

1283157107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 1283157107 is about 35821.1823785871. The cubic root of 1283157107 is about 1086.6589915128.

The spelling of 1283157107 in words is "one billion, two hundred eighty-three million, one hundred fifty-seven thousand, one hundred seven".