1248491107 has 2 divisors, whose sum is σ = 1248491108. Its totient is φ = 1248491106.

The previous prime is 1248491099. The next prime is 1248491113. The reversal of 1248491107 is 7011948421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1248491107 - 2³ = 1248491099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1248491207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624245553 + 624245554.

It is an arithmetic number, because the mean of its divisors is an integer number (624245554).

Almost surely, 2^1248491107 is an apocalyptic number.

1248491107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1248491107 is an equidigital number, since it uses as much as digits as its factorization.

1248491107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1248491107 is about 35333.9936463457. The cubic root of 1248491107 is about 1076.7837289714.

The spelling of 1248491107 in words is "one billion, two hundred forty-eight million, four hundred ninety-one thousand, one hundred seven".